Patent Abstract:
A timepiece with calendar mechanism has a time indicator that indicates time by undergoing rotation in accordance with a driving operation of a drive mechanism, and first and second separate and independent date indicators each having date characters and each mounted to undergo intermittent rotation so that combinations of the date characters of the first and second date indicators indicate a units numeral of a date. A third date indicator has date characters and is mounted to undergo rotation for indicating a tens numeral of the date. A program wheel intermittently rotates the first, second and third date indicators in accordance with a driving operation of the drive mechanism.

Full Description:
BACKGROUND OF THE INVENTION 
   1. Field of the Invention 
   The present invention relates to a timepiece with a calendar mechanism having plural date indicators for indicating a date. More specifically, the invention relates to an analog timepiece with a calendar mechanism including a first date indicator and a second indicator for indicating a units numeral of a date, and a third date indicator for indicating a tens numeral of a date. 
   2. Description of the Prior Art 
   (1) Description of Terms: 
   Generally, a machine body including a drive portion of a timepiece is referred to as “movement”. A state of constituting a finished product by attaching a dial, a hand to a movement and putting the movement in a timepiece case is referred to as “complete” of a timepiece. In both sides of a main plate constituting a base plate of a timepiece, a side of providing glass of a timepiece case, that is, a side of providing a dial is referred to as “back side” of a movement or “glass side” or “dial side”. In both sides of a main plate, a side of providing a case back of a timepiece case, that is, a side opposed to a dial is referred to as “top side” or “case back side” of movement. A train wheel integrated to “top side” of a movement is referred to as “top train wheel”. A train wheel integrated to “bottom side” of movement is referred to as “bottom train wheel”. Generally, “12 o&#39;clock side” indicates a side of arranging a graduation in correspondence with 12 o&#39;clock of a dial in an analog type timepiece. “12 o&#39;clock direction” indicates a direction directed to “12 o&#39;clock side” from a rotational center of an indicator in an analog type timepiece. Further, “3 o&#39;clock side” indicates a side of arranging a graduation in correspondence with 3 o&#39;clock of a dial in an analog type timepiece. “3 o&#39;clock direction” indicates a direction directed to “3 o&#39;clock side” from a rotational center of an indicator. Further, “6 o&#39;clock side” indicates a side of arranging a graduation in correspondence with 6 o&#39;clock of a dial in an analog type timepiece. “6 o&#39;clock direction” indicates a direction directed to “6 o&#39;clock side” from a rotational center of an indicator in an analog type timepiece. Further, “9 o&#39;clock side” indicates a side of arranging a graduation in correspondence with 9 o&#39;clock of a dial. “9 o&#39;clock direction” indicates a direction directed to “9 o&#39;clock side” from a rotational center of an indicator in an analog type timepiece. Further, there is a case of indicating a side of arranging other graduation of a dial as in “2 o&#39;clock direction”, “2 o&#39;clock side”. 
   (2) Timepiece with Calendar Mechanism of Background Art: 
   An explanation will be given of a timepiece with a calendar mechanism of a background art including a first date indicator indicating a position of 1 of a date, and a second date indicator indicating a position of 10 of a date as follows. 
   (2.1) Timepiece with Calendar Mechanism of First Type of Background Art: 
   In reference to  FIG. 26 , a timepiece with a calendar mechanism of a first type of a background art includes two date indicators  822 ,  824  overlapped each other at least partially. The first date indicator  822  provides date indication of a position of 1, and the second indicator  824  provides date indication of a position of 10. The first date indicator  822  is provided with numerals of “0”, “1” through “9”, that is, 10 pieces of numerals in a circumferential direction. The second date indicator  824  is provided with two sets of numerals from “0” through “3”, that is, 8 pieces of numerals in a circumferential direction. A drive mechanism includes a 24 hour indicator  820  rotating by one rotation per 24 hours by rotation of an hour wheel  816 , an operating lever  844  operated by rotating the 24 hour indicator  820 , and other wheel or the like for control. By operating the operating lever  844 , a program wheel  850  is rotated, the first date indicator  822  is rotated by a first date indicator drive wheel  852 , and the second date indicator  824  is rotated by a second date indicator drive wheel  854 . Rotation of the first date indicator  822  is rectified by a first date indicator jumper  862 . Rotation of the second date indicator  824  is rectified by a second date indicator jumper  864  (refer to, for example, Patent Reference 1). 
   (2.2) Timepiece with Calendar Mechanism of Second Type of Background Art: 
   In reference to  FIG. 27 , a timepiece with a calendar mechanism of a second type of a background art includes a 1 position circular disk  932  indicating a position of 1 of a date, and a 10 position circular disk  931  indicating a position of 10 of a date. A 1 pinion  933  is fixed to the 1 position circular disk  932 . A 1 position jumper  936  maintains an angular position of a 1 position pinion  933 . A 10 position pinion  934  is fixed to the 10 position circular disk  931 . A 10 position jumper  940  maintains an angular position of the 10 position pinion  934 . The 1 position pinion  933  is brought in mesh with an upper half of a teeth row of a date gear  908 . The 1 position circular disk  932  is provided with numerals of “0”, “1” through “9”, that is, 10 pieces of numerals in a circumferential direction. The 10 position circular disk  931  is provided with two sets of numerals from “0” through “3” and two of “0”, that is, 10 pieces of numerals in a circumferential direction. Respective hooks of a drive apparatus  906  are brought in mesh with a teeth row of the date gear  908 , thereby, teeth of the date gear  908  are made to advance 1 pitch per 1 day. The 10 position pinion  934  is driven by 1 pitch by an intermediate movable part  937 . The intermediate movable part  937  is driven by 1 pitch by the date gear  908  by way of an idle gear  938  (refer to, for example, Patent Reference 2). 
   (3) Lists of Patent References 
   [Patent Reference 1] European Patent Application Publication No. 1070996 A1 
   [Patent Reference 2] JP-A-2000-147148 
   According to a timepiece with a calendar mechanism of a first type of the background art, a drive mechanism for driving the first date indicator  822  and the second date indicator  824  includes the 24 hour indicator  820 , the operating lever  844  and other wheel for control and therefore, there poses a problem that a structure of the drive mechanism is complicated and an area occupied by the drive mechanism is large. Further, according to the timepiece with the calendar mechanism of the second type of the background art, the 10 position pinion  934  is driven by the date gear  908  by way of the intermediate movable part  937  and the idle gear  938  and therefore, there poses a problem that a drive mechanism for driving the 10 position circular disk  931  is complicated and an area occupied by the drive mechanism is large. Further, a timepiece with a calendar mechanism of a background art poses a problem that a drive mechanism is complicated, and a rotational load of the drive mechanism is large. According to a timepiece with a calendar mechanism of a background art, 10 pieces of numerals indicating dates are provided in a circumferential direction of a date indicator and therefore, it is difficult to enlarge a size of numerals indicating the dates. 
   It is an object of the invention to provide a timepiece with a calendar mechanism that includes three date indicators comprising two date indicators for indicating a position of 1 of a date (i.e., a units numeral of the date) and one date indicator for indicating a position of 10 of a date (i.e., a tens numeral of the date), and a drive mechanism for driving the three date indicators by a compact mechanism having a simple structure. Further, it is another object of the invention to provide a timepiece with a calendar mechanism including a date indicator having a date character which is large and easy to see. Further, it is another object of the invention to provide a timepiece with a calendar mechanism in which a rotational load of a drive mechanism is small. 
   SUMMARY OF THE INVENTION 
   The invention is constituted by a timepiece with calendar mechanism for indicating a date by a plurality of date indicators, the timepiece comprising a drive mechanism for driving the timepiece with calendar mechanism, a time indicator for indicating time information by being rotated by operating the drive mechanism, a first date indicator for indicating one portion of a position of 1 of the date, a second date indicator for indicating other portion of the position of 1 of the date, a third date indicator for indicating a position of 10 of the date, and a program wheel constituted to be able to respectively rotate the first date indicator, the second date indicator, and the third date indicator intermittently based on an operation of the drive mechanism. The timepiece with calendar mechanism is constituted such that information with regard to the date can be indicated by one of first date characters provided at the first date indicator and one of third characters provided at the third date indicator, outer peripheral portions of the first date indicator and the third date indicator being positioned to be proximate to each other, further, information with regard to the date can be indicated by one of second characters provided at the second date indicator and one of the third date characters provided at the third date indicator peripheral portions of the second indicator and the third indicator being positioned to be proximate to each other. It is preferable to constitute the timepiece with calendar mechanism such that a rotation center axis line of the first date indicator and a rotation center axis line of the second date indicator are constituted to coincide with each other. By the constitution, the timepiece with calendar mechanism in which the drive mechanism for driving the first date indicator, the second date indicator, the third date indicator is simply and compactly constituted can be realized. Further, by the constitution, the timepiece with calendar mechanism including the date indicators having date characters which are large and easy to see can be realized. 
   It is preferable to constitute the timepiece with calendar mechanism of the invention such that a rotation center axis line of the program wheel is constituted to coincide with a rotation center axis line of the time indicator. Further, according to the timepiece with calendar mechanism of the invention, it is preferable that the program wheel includes a program date indicator constituted to rotate based on the operation of the drive mechanism, a first program wheel constituted to be able to rotate integrally with the program date indicator and to be able to intermittently rotate the first date indicator, a second program wheel constituted to be able to rotate integrally with the program date indicator and to be able to intermittently rotate the second date indicator, and a third program wheel constituted to be able to rotate integrally with the program date indicator and to be able to intermittently rotate the third date indicator. By the constitution, the timepiece with calendar mechanism constituted compactly can be realized. 
   The timepiece with calendar mechanism of the invention can be constituted such that the program date indicator includes 31 pieces of teeth portions for receiving the operation of the drive mechanism, the first program wheel includes 18 pieces of teeth portions for rotating the first date wheel, the second program wheel includes 18 pieces of teeth portions for rotating the second date indicator, the third program indicator includes 4 pieces of teeth portions for rotating the third date indicator, the first date indicator includes a first date character indicating face including 5 pieces of numerals aligned in a peripheral direction in an order of “0”, “1”, “2”, “3”, “4”, the second date indicator includes a second date character indicating face including 5 pieces of numerals aligned in a peripheral direction in an order of “5”, “6”, “7”, “8”, “9”, and the third date indicator includes a third date character indicating face including 4 pieces of numerals aligned in a peripheral direction in an order of “0”, “1”, “2”, “3” or 3 pieces of numerals aligned in the peripheral direction in an order of “1”, “2”, “3”. Different from a structure of the background art in which 10 pieces of numerals are provided in a circumferential direction, according to the constitution of the invention, a size of the numeral indicating the date of the date indicator can be made to be larger than that of the background art. Therefore, by the invention, the timepiece with calendar mechanism in which calendar indication is large and easy to see can be realized. 
   According to the timepiece with calendar mechanism of the invention, it is preferable to further comprise an intermediate date driving wheel constituted to rotate based on the operation of the drive mechanism and arranged to overlap the program wheel, a date driving wheel constituted to rotate based on rotation of the intermediate date driving wheel, and a date driving finger constituted to rotate based on rotation of the date driving wheel, wherein the program date wheel is constituted to rotate based on rotation of the date driving finger. By the constitution, the timepiece with calendar mechanism constituted compactly can be realized. 
   According to the timepiece with calendar mechanism of the invention, it is preferable to further comprise a program date indicator jumper for rectifying rotation of the program date indicator, a first date indicator jumper for rectifying rotation of the first date indicator, a second date indicator jumper for rectifying rotation of the second date indicator, and a third date indicator jumper for rectifying rotation of the third date indicator. By the constitution, rotation of the program date wheel, the first date indicator, the second date indicator, the third date indicator can be rectified simultaneously and firmly. 
   The timepiece with calendar mechanism of the invention can be constituted to further comprise a calendar correcting mechanism capable of correcting a display content of the first date indicator, a display content of the second date indicator, a display content of the third date indicator by rotating a hand setting stem in a state of pulling the hand setting stem to a hand setting stem position capable of correcting a calendar, wherein the calendar correcting mechanism includes a calendar correcting wheel, and is constituted to be able to rotate the program wheel by rotating the calendar correcting wheel based on rotation of the hand setting stem in a state of pulling the hand setting stem to the hand setting stem position capable of correcting the calendar. According to the timepiece with calendar mechanism of the invention, a train wheel constituting the calendar mechanism can be constituted compactly and by a small number of parts and therefore, a rotational load of the drive mechanism can be reduced. 
   The timepiece with calendar mechanism of the invention can be constituted such that the program date wheel includes a teeth portion for receiving an operation of the drive mechanism, the first program wheel includes a teeth portion for rotating the first date indicator, the second program wheel includes a teeth portion for rotating the second date indicator, the third program wheel includes a teeth portion for rotating the third date indicator, the first date indicator includes a first date character indicating face including 1 piece or consecutive 2 pieces or more and 8 pieces or less of numerals constituted by aligning numerals of “0”, “1”, “2”, “4”, “5”, “6”, “7”, “8”, “9” in a peripheral direction and a notch portion for indicating numerals of the second date indicator, the second date indicator includes a second date character indicating face aligned with all of consecutive numerals of the numerals of “0”, “1”, “2”, “3”, “4”, “5”, “6”, “7”, “8”, “9” other than numerals aligned at the first date indicator in a peripheral direction, and the third date indicator includes a third character indicating face including numerals aligned in a peripheral direction in an order of “0”, “1”, “2”, “3” or numerals aligned in the peripheral direction in an order of “1” “2”, “3”. 
   Here, consecutive numerals signify that in “1” “2” . . . “9”, “0” is consecutive to “9”, “1” is consecutive to “0”, and “2” . . . “9” are consecutive to “1”. For example, in a case of five numerals starting from “8”, the numerals include “0” in the midst of “8”, “9”, “0”, “1”, “2”. 
   Further, a constitution that the program date wheel includes 31×n (n is a natural number equal to or larger than 1) pieces of teeth portions for receiving the operation of the drive mechanism, and the third date wheel includes a wheel having a number of teeth equal to or smaller than a number of teeth of the first date indicator or the second date indicator can be constructed. Therefore, according to the invention, the timepiece character mechanism having a large calendar indication and easy to see can be realized. 

   
     BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS 
       FIG. 1  is an outline plane view showing a relationship of arrangements of three date indicators and a program wheel when a movement is viewed from a dial side according to a first embodiment of a timepiece with calendar mechanism of the invention; 
       FIG. 2  is an outline plane view showing a structure when the movement in a state of removing a second main plate from the dial side according to the first embodiment of the timepiece calendar mechanism of the invention; 
       FIG. 3  is a partial sectional view showing portions of a first date indicator, a second date indicator, and a program wheel according to the first embodiment of the timepiece with calendar mechanism of the invention; 
       FIG. 4  is a partial sectional view showing portions of the program wheel, a date driving wheel according to the first embodiment of the timepiece with calendar mechanism of the invention; 
       FIG. 5  is an outline plane view showing a structure when a movement is viewed from a case back side according to the first embodiment of the timepiece with calendar mechanism of the invention; 
       FIG. 6  is an outline plane view showing a structure when the movement in a state of removing a balance bridge, a train wheel bridge, an automatic winding train wheel bridge is viewed from the case back side according to the first embodiment of the timepiece with calendar mechanism of the invention; 
       FIG. 7(   a ) is a plane view showing the first date indicator according to the first embodiment of the timepiece with calendar mechanism of the invention.  FIG. 7(   b ) is a plane view showing the second date indicator. 
       FIG. 8  is a plane view showing a third indicator according to the first embodiment of the timepiece with calendar mechanism of the invention; 
       FIG. 9  is a plane view showing a third program wheel according to the first embodiment of the timepiece with calendar mechanism of the invention; 
       FIG. 10  is a plane view showing a first program wheel according to the first embodiment of the timepiece with calendar mechanism of the invention; 
       FIG. 11  is a plane view showing a second program wheel according to the first embodiment of the timepiece with calendar mechanism of the invention; 
       FIG. 12  is a block diagram showing a drive mechanism, a top train wheel, a calendar mechanism and the like according to the first embodiment of the timepiece with calendar mechanism of the invention; 
       FIG. 13  illustrates partial plane views showing a state of indicating “29 day” according to the first embodiment of the timepiece with calendar mechanism of the invention.  FIG. 13(   a ) is an enlarged partial plane view showing portions of the first date indicator and the first program wheel.  FIG. 13(   b ) is an enlarged partial plane view showing portions of the second date indicator and the second program wheel.  FIG. 13(   c ) is an enlarged partial plane view showing portions of the first date indicator, the second date indicator, the first program wheel, the second program wheel.  FIG. 13(   d ) is an enlarged partial plane view showing portions of the third indicator and the third program wheel; 
       FIG. 14  illustrates partial plane views showing a state of indicating “30 day” according to the first embodiment of the timepiece with calendar mechanism of the invention.  FIG. 14(   a ) is an enlarged partial plane view showing portions of the first date indicator and the first program wheel.  FIG. 14(   b ) is an enlarged partial plane view showing portions of the second date indicator and the second program wheel.  FIG. 14(   c ) is an enlarged partial plane view showing portions of the first date indicator, the second date indicator, the first program wheel, the second program wheel.  FIG. 14(   d ) is an enlarged partial plane view showing portions of the third indicator and the third program wheel; 
       FIG. 15  illustrates partial plane views showing a state of indicating “31 day” according to the first embodiment of the timepiece with calendar mechanism of the invention.  FIG. 15(   a ) is an enlarged partial plane view showing portions of the first date indicator and the first program wheel.  FIG. 15(   b ) is an enlarged partial plane view showing portions of the second date indicator and the second program wheel. FIG.  15 ( c ) is an enlarged partial plane view showing portions of the first date indicator, the second date indicator, the first program wheel, the second program wheel.  FIG. 15(   d ) is an enlarged partial plane view showing portions of the third indicator and the third program wheel; 
       FIG. 16  illustrates partial plane views showing a state of indicating “1 day” according to the first embodiment of the timepiece with calendar mechanism of the invention.  FIG. 16(   a ) is an enlarged partial plane view showing portions of the first date indicator and the first program wheel.  FIG. 16(   b ) is an enlarged partial plane view showing portions of the second date indicator and the second program wheel.  FIG. 16(   c ) is an enlarged partial plane view showing portions of the first date indicator, the second date indicator, the first program wheel, the second program wheel.  FIG. 16(   d ) is an enlarged partial plane view showing portions of the third indicator and the third program wheel; 
       FIG. 17  illustrates partial plane views showing a state of indicating “4 day” according to the first embodiment of the timepiece with calendar mechanism of the invention.  FIG. 17  ( a ) is an enlarged partial plane view showing portions of the first date indicator and the first program wheel.  FIG. 17(   b ) is an enlarged partial plane view showing portions of the second date indicator and the second program wheel.  FIG. 17(   c ) is an enlarged partial plane view showing portions of the first date indicator, the second date indicator, the first program wheel, the second program wheel.  FIG. 17(   d ) is an enlarged partial plane view showing portions of the third indicator and the third program wheel; 
       FIG. 18  illustrates partial plane views showing a state of indicating “5 day” according to the first embodiment of the timepiece with calendar mechanism of the invention.  FIG. 18(   a ) is an enlarged partial plane view showing portions of the first date indicator and the first program wheel.  FIG. 18(   b ) is an enlarged partial plane view showing portions of the second date indicator and the second program wheel.  FIG. 18(   c ) is an enlarged partial plane view showing portions of the first date indicator, the second date indicator, the first program wheel, the second program wheel.  FIG. 18(   d ) is an enlarged partial plane view showing portions of the third indicator and the third program wheel; 
       FIG. 19  illustrates partial plane views showing a state of indicating “6 day” according to the first embodiment of the timepiece with calendar mechanism of the invention.  FIG. 19(   a ) is an enlarged partial plane view showing portions of the first date indicator and the first program wheel.  FIG. 19(   b ) is an enlarged partial plane view showing portions of the second date indicator and the second program wheel.  FIG. 19(   c ) is an enlarged partial plane view showing portions of the first date indicator, the second date indicator, the first program wheel, the second program wheel.  FIG. 19(   d ) is an enlarged partial plane view showing portions of the third indicator and the third program wheel; 
       FIG. 20  illustrates partial plane views showing a state of indicating “9 day” according to the first embodiment of the timepiece with calendar mechanism of the invention.  FIG. 20(   a ) is an enlarged partial plane view showing portions of the first date indicator and the first program wheel.  FIG. 20(   b ) is an enlarged partial plane view showing portions of the second date indicator and the second program wheel.  FIG. 20(   c ) is an enlarged partial plane view showing portions of the first date indicator, the second date indicator, the first program wheel, the second program wheel.  FIG. 20(   d ) is an enlarged partial plane view showing portions of the third indicator and the third program wheel; 
       FIG. 21  illustrates partial plane views showing a state of indicating “10 day” according to the first embodiment of the timepiece with calendar mechanism of the invention.  FIG. 21(   a ) is an enlarged partial plane view showing portions of the first date indicator and the first program wheel.  FIG. 21(   b ) is an enlarged partial plane view showing portions of the second date indicator and the second program wheel.  FIG. 21(   c ) is an enlarged partial plane view showing portions of the first date indicator, the second date indicator, the first program wheel, the second program wheel.  FIG. 21(   d ) is an enlarged partial plane view showing portions of the third indicator and the third program wheel; 
       FIG. 22  illustrates partial plane views showing a state of indicating “11 day” according to the first embodiment of the timepiece with calendar mechanism of the invention.  FIG. 22(   a ) is an enlarged partial plane view showing portions of the first date indicator and the first program wheel.  FIG. 22(   b ) is an enlarged partial plane view showing portions of the second date indicator and the second program wheel.  FIG. 22(   c ) is an enlarged partial plane view showing portions of the first date indicator, the second date indicator, the first program wheel, the second program wheel.  FIG. 22(   d ) is an enlarged partial plane view showing portions of the third indicator and the third program wheel; 
       FIG. 23  is a plane view showing a complete in a state of indicating “30 day” in a constitution of arranging a date window in 12 o&#39;clock direction of a dial according to the first embodiment of the timepiece with calendar mechanism of the invention; 
       FIG. 24  is an outline plane view showing a structure when a movement is viewed from a case back side according to a second embodiment of a timepiece with calendar mechanism of the invention; 
       FIG. 25  is a partial sectional view showing a drive mechanism, a top train wheel, a calendar mechanism and the like according to the second embodiment of the timepiece with calendar mechanism of the invention; 
       FIG. 26  is a block diagram showing a structure of a calendar mechanism according to a timepiece with calendar mechanism of a first type of a background art; 
       FIG. 27  is a block diagram showing a structure of a calendar mechanism according to a timepiece with calendar mechanism of a second type of a background art; and 
       FIG. 28  illustrates partial plane views showing a state of indicating “9 day” according to a third embodiment of a timepiece with calendar mechanism of the invention.  FIG. 28(   a ) is an enlarged partial plane view showing portions of the first date indicator and the first program wheel.  FIG. 28(   b ) is an enlarged partial plane view showing portions of the second date indicator and the second program wheel.  FIG. 28(   c ) is an enlarged partial plane view showing portions of the first date indicator, the second date indicator, the first program wheel, the second program wheel.  FIG. 28(   d ) is an enlarged partial plane view showing portions of a third indicator and a third program wheel. 
   

   DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 
   An embodiment of a timepiece with a calendar mechanism according to the invention will be explained in reference to the drawings as follows. 
   (1) Structure of First Embodiment of Timepiece with Calendar Mechanism According to the Invention 
   First, a first embodiment of a timepiece with calendar mechanism according to the invention will be explained. The first embodiment of the timepiece with calendar mechanism according to the invention is an embodiment constituting the timepiece with calendar mechanism by a mechanical type timepiece with automatic winding mechanism. 
   (1.1) Structure of Top Side of Movement: 
   An outline structure of a top side (side of main plate opposed to dial) of a movement will be explained. In reference to  FIG. 3  through  FIG. 6 , in a timepiece with calendar mechanism according to the invention, a movement  100  includes a main plate  102  constituting a base plate of the movement  100 . A hand setting stem  310  is rotatably integrated to a hand setting stem guide hole of the main plate  102 . A dial  104  (shown in  FIG. 3 ,  FIG. 4  by imaginary line) is attached to the movement  100 . In reference to  FIG. 5  and  FIG. 6 , an escapement/speed control apparatus including a balance with hairspring  340 , and an escape wheel &amp; pinion  330 , a pallet fork  342 , a fourth wheel &amp; pinion  328 , a third wheel &amp; pinion  326 , a second wheel &amp; pinion  325 , and a barrel complete  320  are arranged on “top side” of the movement  100 . A switching apparatus including a setting lever, a yoke, a yoke spring, a yoke holder are arranged on “bottom side” of the movement  100 . Further, a barrel bridge  360  for rotatably supporting an upper shaft portion of the barrel complete  320 , an upper shaft portion of the second wheel &amp; pinion  325 , a train wheel bridge  362  for rotatably supporting an upper shaft portion of the third wheel &amp; pinion  326 , and upper shaft portion of the fourth wheel &amp; pinion  328 , an upper shaft portion of the escape wheel &amp; pinion  330 , and a pallet bridge  364  for rotatably supporting an upper shaft portion of the pallet fork  342 , and a balance bridge  366  for rotatably supporting an upper shaft portion of the balance with hairspring  340  are arranged on “top side” of the movement  100 . 
   (1.2) Automatic Winding Mechanism: 
   Next, a structure of an automatic winding mechanism will be explained. In reference to  FIG. 3  through  FIG. 6 , an automatic winding mechanism includes an oscillating weight  210 , a first transmission wheel &amp; pinion  212  rotated based on rotation of the oscillating weight  210 , a second transmission wheel &amp; pinion  216  rotated based on rotation of the first transmission wheel &amp; pinion  212 , a switch transmission wheel &amp; pinion  220  rotated in one direction based on rotation of the first transmission wheel &amp; pinion  212  and the second transmission wheel &amp; pinion  216 , a first reduction wheel &amp; pinion  250  rotated based on rotation of the switch transmission wheel  220 , a second reduction wheel &amp; pinion  252  rotated based on rotation of the first reduction wheel &amp; pinion  250 , and a third reduction wheel &amp; pinion  254  rotated based on rotation of the second reduction wheel &amp; pinion  252 . The oscillating weight  210  includes an inner ring  210   a  fixed to the train wheel bridge  362 , a plurality of balls  210   b , an outer ring  210   c , an oscillating weight pinion  212   d  integrally provided with the outer ring  210   c , an oscillating weight member  210   e  fixed to the outer ring  210   c , and an oscillating weight portion  210   f  fixed to the oscillating weight member  210   e . The outer ring  210   c  is constituted to be rotatable relative to the inner ring  210   a  by way of the ball  210   b . The first transmission wheel &amp; pinion  212  includes a first transmission wheel and a first transmission pinion. The first transmission wheel &amp; pinion  212  is provided rotatably to a first transmission wheel pin provided at the main plate  102 . The oscillating weight pinion  210   d  is constituted to be brought in mesh with the first transmission wheel. The second transmission wheel &amp; pinion  216  includes a second transmission wheel. The second transmission wheel is constituted to be brought in mesh with a first transmission pinion. An upper shaft portion of the second transmission wheel &amp; pinion  216  and an upper shaft portion of the switch transmission wheel &amp; pinion  220  are rotatably provided to the train wheel bridge  362 . A lower shaft portion of the second transmission wheel &amp; pinion  216 , a lower shaft portion of the switch transmission wheel &amp; pinion  220  are rotatably provided at the main plate  102 . 
   The first reduction wheel &amp; pinion  250  includes a first reduction wheel and a first reduction pinion. The second reduction wheel &amp; pinion  252  includes a second reduction wheel. The first reduction pinion is constituted to be brought in mesh with the second reduction wheel. The third reduction wheel &amp; pinion  254  includes a third reduction wheel and a third reduction pinion. The second reduction wheel is constituted to be brought in mesh with the first reduction pinion and the third reduction wheel. An upper shaft portion of the first reduction wheel &amp; pinion  250 , an upper shaft portion of the second reduction wheel &amp; pinion  252  are rotatably provided at an automatic train wheel bridge (reduction bridge)  270 . A lower shaft portion of the first reduction wheel &amp; pinion  250 , a lower shaft portion of the second reduction wheel &amp; pinion  252  are rotatably provided at the barrel bridge  360 . The third reduction wheel &amp; pinion  254  is rotatably provided to a third reduction wheel &amp; pinion pin provided at the barrel bridge  360 . The third reduction pinion is constituted to be brought in mesh with a ratchet wheel  316 . The switch transmission wheel  220  includes a switch transmission pinion. According to the automatic winding mechanism, regardless of a direction of rotating the oscillating weight  210 , a rotational direction of the switch transmission pinion is constant and therefore, based on rotation of the switch transmission pinion, the ratchet wheel  316  can be rotated only in one direction by way of rotation of the first reduction wheel &amp; pinion  250 , the second reduction wheel &amp; pinion  252 , the third reduction wheel &amp; pinion  254 . By rotating the ratchet wheel  316 , a main spring at inside of the barrel complete  320  can be wound up only in one direction. 
   (1.3) Escapement/Speed Control Apparatus and Top Train Wheel: 
   Next, a structure of the escapement/speed control apparatus and the top train wheel will be explained. A position in an axis line direction of the hand setting stem  310  is determined by a switching apparatus, mentioned later. When the hand setting stem  310  is rotated in a state in which the hand setting stem  310  is disposed at a first hand setting stem position (0 stage) on a side the most proximate to an inner side of the movement  100  along a rotation axis line direction, a winding pinion is rotated by way of rotation of a clutch wheel  311  (refer to  FIG. 2 ). A crown wheel  313  is constituted to rotate by rotation of the winding pinion  312 . A crown transmission wheel  314  is constituted to be rotated by rotation of the crown wheel  313 . A pivoting crown wheel  315  is constituted to be rotated by rotation of the crown transmission wheel  314 . The ratchet wheel  316  is rotated by rotation of the pivoting crown wheel  315 . The barrel complete  320  includes a barrel wheel  320   d , a barrel stem, and the main spring. The main spring contained in the barrel complete  320  is constituted to be wound up by rotating the ratchet wheel  316 . 
   The second wheel &amp; pinion  325  is constituted to be rotated by rotation of the barrel complete  320 . The second wheel &amp; pinion  325  includes a second wheel  325   a  and a second pinion. The barrel wheel  320   d  is constituted to be brought in mesh with the second pinion. The third wheel &amp; pinion  326  is constituted to be rotated by rotation of the second wheel &amp; pinion  325 . The third wheel &amp; pinion  326  includes a third wheel and a third pinion. The fourth wheel &amp; pinion  328  is constituted to rotate by one rotation per 1 minute by rotation of the third wheel &amp; pinion  326 . The fourth wheel &amp; pinion  328  includes a fourth wheel and a fourth pinion. The third wheel is constituted to be brought in mesh with the fourth pinion. The escape wheel &amp; pinion  330  is constituted to be rotated by rotation of the fourth wheel &amp; pinion  328  while being controlled by the pallet fork  342 . The escape wheel &amp; pinion  330  includes an escape wheel and an escape pinion. The fourth wheel is constituted to be brought in mesh with the escape pinion. The barrel complete  320 , the second wheel &amp; pinion  325 , the third wheel &amp; pinion  326 , the fourth wheel &amp; pinion  328  constitute the top train wheel. The escapement/speed control apparatus for controlling rotation of the top train wheel includes the balance with hairspring  340 , the escape wheel &amp; pinion  330 , the pallet fork  342 . That is, the escape wheel &amp; pinion  330 , the pallet fork  342 , the balance with hairspring  340  constitute the escapement/speed control apparatus. The balance with hairspring  340  includes a balance stem, a balance wheel  340   b , and a hairspring  340   c . The hairspring  340   c  is a thin plate spring of a mode in a spiral shape (helical shape) having a plurality of turn numbers. The balance with hairspring  340  is rotatably supported by the main plate  102  and the balance bridge  366 . 
   The barrel complete  320 , the second wheel &amp; pinion  325  are rotatably supported by the main plate  102  and the barrel bridge  360 . That is, an upper shaft portion of the barrel complete  320  is rotatably supported by the barrel bridge  360 , an upper shaft portion of the second wheel &amp; pinion  325 , an upper shaft portion of the escape wheel &amp; pinion  330  are rotatably supported by the train wheel bridge  362 . Further, a lower shaft portion of the barrel complete  320 , a lower shaft portion of the second wheel &amp; pinion  325  are rotatably supported by the main plate  102 . The third wheel &amp; pinion  326 , the fourth wheel &amp; pinion  328 , the escape wheel &amp; pinion  330  are rotatably supported by the main plate  102  and the train wheel bridge  362 . That is, an upper shaft portion of the third wheel &amp; pinion  326 , an upper shaft portion of the fourth wheel &amp; pinion  328 , an upper shaft portion of the escape wheel &amp; pinion  330  are rotatably supported by the train wheel bridge  362 . A lower shaft portion of the third wheel &amp; pinion  326 , a lower shaft portion of the escape wheel &amp; pinion  330  are rotatably supported by the main plate  102 . A lower shaft portion of the fourth wheel &amp; pinion  328  is rotatably supported at inside of a center hole of a center pipe  102   j  fixed to the main plate  102 . The pallet fork  342  is rotatably supported by the main plate  102  and the pallet bridge  364 . An upper shaft portion of the pallet fork  342  is rotatably supported by the pallet bridge  364 . A lower shaft portion of the pallet fork  342  is rotatably supported by the main plate  102 . By rotation of the second wheel &amp; pinion  325 , the fourth wheel &amp; pinion  328  is rotated by one rotation per 1 minute by way of rotation of the third wheel &amp; pinion  326 . A second hand  358  attached to the fourth wheel &amp; pinion  328  indicates “second”. 
   (1.4) Switching Mechanism, Bottom Train Wheel, Hand Setting Mechanism: 
   Constitutions of a switching mechanism, a hand setting mechanism will be explained as follows. In reference to  FIG. 2  and  FIG. 3 , a switching apparatus including a setting lever  370 , a yoke  371 , and a yoke holder  372  are arranged on “bottom side” of the movement  100 . The switching apparatus can also be arranged on “top side” of the movement  100 . The clutch wheel  311  is arranged to include a rotational axis line the same as the rotational axis line of the hand setting stem  310 . When the hand setting stem  310  is disposed at 0 stage, 1 stage, 2 stage, the clutch wheel  311  is constituted to rotate based on rotation of the hand setting stem  310 . A setting wheel  376  is arranged rotatably relative to a setting wheel rotating lever  374 . 
   In reference to  FIG. 2  through  FIG. 4 , a second main plate  108  is arranged on a side of the dial  104  of the main plate  102 . A minute wheel &amp; pinion  324  includes a minute wheel  324   a  and a cannon pinion  324   b . The minute wheel  324   a  is constituted to be brought in mesh with the third pinion. The minute wheel  342   a  and the cannon pinion  324   b  are constituted to rotate integrally. The minute wheel  324   a  is arranged between the main plate  102  and the second main plate  108 . The cannon pinion  324   b  and the minute wheel  324   a  are provided with a slip mechanism constituted to enable the cannon pinion  324   b  relative to the minute wheel  324   a . A minute wheel &amp; pinion  348  is constituted to rotate by rotation of the third wheel &amp; pinion  326  by way of rotation of the minute indicator  324 . The minute wheel  348  includes a minute wheel  348   a , a minute pinion  348   b . The minute wheel &amp; pinion  348  is arranged between the main plate  102  and the second main plate  108 . The hour pinion  324   b  is constituted to be brought in mesh with the minute wheel  348   a . An hour wheel  354  is constituted to be brought in mesh with the minute pinion  348   b . A wheel portion of the hour wheel  354  is arranged between the main plate  102  and the second main plate  108 . 
   The hour wheel  354  is constituted to be rotated by one rotation per 12 hours by way of rotation of the minute wheel &amp; pinion  348 . The minute indicator  324 , the minute wheel &amp; pinion  348 , the hour wheel  354  constitute the bottom train wheel. The minute wheel  324  is rotated by one rotation per 1 hour by rotation of the barrel complete  320  by way of rotation of the second wheel &amp; pinion  325 , the third wheel &amp; pinion  326 . A minute hand  352  attached to the hour pinion  324   b  of the minute wheel &amp; pinion  324  indicates “minute”. Based on rotation of the minute wheel &amp; pinion  324 , the hour wheel &amp; pinion  354  is rotated by one rotation per 12 hours by way of rotation of the minute wheel &amp; pinion  348 . An hour hand  356  attached to the hour wheel &amp; pinion  354  indicates “hour”. When the hand setting stem  310  is pulled to 2 stage, the setting wheel operating lever  374  is rotated, when the hand setting stem  310  is rotated in a state of being disposed at a third hand setting stem position (2 stage), the minute wheel &amp; pinion  348  can be rotated by way of rotation of the clutch wheel  311 , the setting wheel  376 . In a state in which the hand setting stem  310  is disposed at 2 stage, when the minute wheel &amp; pinion  348  is rotated, the cannon pinion  324   b  and the hour wheel  354  can be rotated and therefore, time of the timepiece can be corrected. Under the state, the cannon pinion  324   b  can be slipped relative to the minute wheel  324   a  by the slipping mechanism provided at the cannon pinion  324   b  and the minute wheel  324   a.    
   (1.5) Constitution of Date Indicator Driving Mechanism: 
   A constitution of a date indicator driving mechanism will be explained as follows. In reference to  FIG. 1  through  FIG. 4 , a date indicator driving mechanism includes an intermediate first date driving wheel &amp; pinion  530 , an intermediate second date driving wheel &amp; pinion  531 , a date driving wheel &amp; pinion  510 , a date driving finger  511 , a program wheel &amp; pinion  540 , a program date wheel jumper  534 . The intermediate first date driving intermediate wheel &amp; pinion  530  is rotatably integrated to an intermediate first date driving wheel pin provided at the main plate  102 . The intermediate second date driving wheel &amp; pinion  531  is rotatably integrated to an intermediate second date driving wheel pin provided at the main plate  102 . The date driving wheel  510  and the date driving finger  511  are rotatably integrated to a pin provided at the main plate  102 . A wheel portion of the hour wheel &amp; pinion  354  is brought in mesh with a wheel portion of the intermediate wheel first date driving wheel &amp; pinion  530 . The wheel portion of the intermediate first date driving wheel &amp; pinion  530  is brought in mesh with a wheel portion of the intermediate second date driving wheel &amp; pinion  531 . A pinion portion of the intermediate second date driving wheel &amp; pinion  531  is brought in mesh with a wheel portion of a date driving wheel  510   c . By rotating the hour wheel &amp; pinion  354 , the date driving wheel &amp; pinion  510  is constituted to rotate by one rotation per 24 hours by way of rotation of the intermediate first date driving wheel &amp; pinion  530 , the intermediate second date driving wheel &amp; pinion  531 . A date driving finger  511  is constituted to rotate based on rotation of the date driving wheel  510 . The intermediate first date driving wheel &amp; pinion  530  and the intermediate second date driving wheel &amp; pinion  531  are arranged between the main plate  102  and the second main plate  108 . The date driving wheel &amp; pinion  510  is arranged between the main plate  102  and the second main plate  108 . It is preferable to arrange a rotational center of the date driving wheel  510  between “7 o&#39;clock direction” and “8 o&#39;clock direction” of the dial. 
   In reference to  FIG. 1  through  FIG. 4  and  FIG. 9 , a center hole  540   h  of the program wheel &amp; pinion  540  is rotatably integrated to an outer periphery of a program wheel guide shaft portion  108   b  provided at the second main plate  108 . A program wheel holder  536  is arranged on a side of the dial  104  of the second main plate  108 . The program wheel &amp; pinion  540  is arranged between the second main plate  108  and the program wheel holder  536 . In a state in which the hour wheel &amp; pinion  354 , the minute indicator  324  constituting time indicating wheels are rotatable, rotation center axis lines of the hour wheel  354 , the minute indicator  324  constituting the time indicating wheels are constituted to be disposed on an inner side of a center hole  540   h  of the program wheel &amp; pinion  540 . It is preferable to constitute the rotation center axis lines of the hour wheel &amp; pinion  354 , the minute indicator  324  constituting the time indicating wheels to coincide with a rotation center axis line of the program wheel &amp; pinion  540 . By the constitution, in the timepiece with calendar mechanism, an area occupied by a driving mechanism for driving a first date indicator  512 , a second date indicator  522 , a third date indicator  532  can be reduced. 
   In reference to  FIG. 1  through  FIG. 4  and  FIG. 9  through  FIG. 11 , the program wheel &amp; pinion  540  includes a program date indicator  542  constituted to rotate by rotation of the date driving claw  511 , a first program wheel  544  constituted to be able to rotate integrally with the program date indicator  542  and to be able to rotate the first date indicator  512  intermittently, a second program wheel  546  constituted to be able to rotate integrally with the program date wheel  542  and to be able to rotate the second date indicator  522  intermittently, and a third program wheel  548  constituted to be able to rotate integrally with the program date indicator  542  and to be able to rotate a third date indicator  532  intermittently. The program date wheel  542 , the first program wheel  544 , the second program wheel  546 , the third program wheel  548  can be constituted by a laminated structure such that respective center axis lines thereof are disposed at the same position. 
   The program date indicator  542  is arranged on a side the most proximate to the main plate  102 . The third program wheel  548  is arranged on a side proximate to the main plate  102  next to the program date wheel  542 . The first program wheel  544  is arranged to a side the most proximate to the dial  104 . The second program wheel  546  is arranged to a side proximate to the dial  104  next to the first program wheel  544 . That is, the program date indicator  542 , the third program wheel  548 , the second program wheel  546 , the first program wheel  544  are arranged by a laminated structure in this order from the side the most proximate to the main plate  102  to the dial  104 . Or, an order of laminating the program date indicator  542 , the third program wheel  548 , the second program wheel  546 , the first program wheel  544  may be constituted to constitute the above-described order. 
   In the program wheel &amp; pinion  540  illustrated in  FIG. 1 , portions in a trapezoidal shape coated in black indicate portions at which teeth portions are present at both of the second program wheel  546  and the third program wheel  548  and portions in the trapezoidal shape which are not coated in black indicate portions at which teeth portions are present at the first program wheel  544  and/or the second program wheel  546 . 
   In reference to  FIG. 1  and  FIG. 3 , the first date indicator  512  is rotatably integrated to the second main plate  108 . The first date indicator jumper  514  is integrated to the second main plate  108 . The first date indicator jumper  514  for rectifying a position in a rotational direction of the first date indicator  512  includes a spring portion and a rectifying portion provided at a front end of the spring portion. The rectifying portion of the first date indicator jumper  514  is constituted to rectify two pieces of teeth portions  516  of the first date indicator  512 . 
   The second date indicator  522  is rotatably integrated to the first date indicator  512 . A second date indicator jumper  524  for rectifying a position in a rotational direction of the second date indicator  522  is integrated to the second main plate  108 . The second date indicator jumper  524  includes a spring portion and a rectifying portion provided at a front end of the spring portion. The rectifying portion of the second indicator jumper  524  is constituted to rectify two pieces of teeth portions  526  of the second date indicator  522 . The first date indicator jumper  514  and the second date indicator jumper  524  can be constituted as portions of a first and second date indicator jumper  518 . Or, the first date indicator jumper  514  and the second date indicator jumper  524  may be constituted as separate parts. 
   The third date indicator  532  is rotatably integrated to the second main plate  108 . A third date indicator jumper  533  for rectifying a position in a rotational direction of the third date indicator  532  is integrated to the second main plate  108 . The third date indicator jumper  533  includes a spring portion and a rectifying portion provided at a front end of the spring portion. The rectifying portion of the third date indicator jumper  533  is constituted to rectify two pieces of teeth portions  535  of the third date indicator  532 . 
   In reference to  FIG. 1 , it is preferable to arrange a rotational center of the first date indicator  512  and a rotational center of the second date indicator  522  between “1 o&#39;clock direction” and “2 o&#39;clock direction” of the dial. It is preferable to arrange the rotational center of the first date indicator  512  and the rotational center of the second date indicator  522  at the same position. It is preferable that a straight line connecting the rotational center of the first date indicator  512  and a rotational center of the third date indicator  532  becomes in parallel with a center axis line of the barrel complete  320 . By this construction, a timepiece with calendar mechanism in which a calendar indication is large and easy to see can be realized. 
   It is preferable to position an outer peripheral portion of the first date indicator  512  and an outer peripheral portion of the second date indicator  522  to be proximate to an outer peripheral portion of the third date indicator  532 . Outer peripheries of the first date indicator  512  and the third date indicator  532  are positioned to be proximate to each other, and information with regard to date is constituted to be able to be indicated by one of first date characters provided at the first date indicator  512  and one of third date characters provided at the third date indicator  532 . Further, the outer peripheral portions of the second date indicator  522  and the third date indicator  532  are positioned to be proximate to each other, and information with regard to date can be indicated by one of the first date characters provided at the first date indicator  512  and the third date characters provided at the third date indicator  532 . 
   In reference to  FIG. 9 , the program date wheel  542  includes 31 pieces of program date indicator teeth portions  542   b  formed to constitute equal angular intervals. The angular interval of the program date indicator teeth portions  542   b  is 360/31 degrees. Rotational center axis lines of the hour wheel &amp; pinion  354  and the minute indicator  324  constituting the time indicating wheels are constituted to coincide with the rotational center axis line of the program wheel &amp; pinion  540 . When constituted in this way, the program date indicator  542  is disposed at the center of the movement  100 , an outer diameter dimension of the program date indicator  542  can be increased and therefore, a calendar correcting mechanism can be arranged freely to some degrees. According to the constitution, a module of a wheel constituting the calendar correcting mechanism can be increased. Therefore, according to the timepiece with calendar mechanism of the invention, a degree of freedom of design of the calendar correcting mechanism is large. 
   In reference to  FIG. 10 , the first program wheel  544  includes 18 pieces of first program wheel teeth portions  544   b  formed by the equal shape. Angular intervals of the first program wheel teeth portions  544   b  are 360/31 degrees, 360/31 degrees, 360/31 degrees, 360/31 degrees, 360/31 degrees, 5*360/31 degrees, 360/31 degrees, 360/31 degrees, 360/31 degrees, 360/31 degrees, 360/31 degrees, 5*360/31 degrees, 360/31 degrees, 360/31 degrees, 360/31 degrees, 2*360/31 degrees, 360/31 degrees, 5*360/31 degrees. 
   In reference to  FIG. 11 , the second program wheel  546  includes 18 pieces of second program wheel teeth portions  546   b  formed by an equal shape. Angular intervals of the second program wheel teeth portions  546   b  are 360/31 degrees, 360/31 degrees, 360/31 degrees, 360/31 degrees, 360/31 degrees, 5*360/31 degrees, 360/31 degrees, 360/31 degrees, 360/31 degrees, 360/31 degrees, 360/31 degrees, 5*360/31 degrees, 360/31 degrees, 360/31 degrees, 360/31 degrees, 360/31 degrees, 360/31 degrees, 360/31 degrees, 5*360/31 degrees. 
   In reference to  FIG. 9 , the third program wheel  548  includes 4 pieces of third program wheel teeth portions  548   b  formed by an equal shape. Angular intervals of the third program wheel teeth portions  548   b  are 10*360/31 degrees, 9*360/31 degrees, 2*360/31 degrees, 10*360/31 degrees. 
   Further, as shown by  FIG. 28 , a third program wheel  648  may be constituted to include 6 pieces of third program teeth portions  648   b  formed by an equal shape. Although according to the embodiment, angular intervals of the third program wheel teeth portions  648   b  are 9*360/31 degrees, 1*360/31 degrees, 8*360/31 degrees, 1*360/31 degrees, 2*360/31 degrees, 9*360/31 degrees, 1*360/31 degrees, the angular intervals may be A*360/31 degrees, B*360/31 degrees (A+B=10), C*360/31 degrees, D*360/31 degrees (C+D=9), 2*360/31 degrees, E*360/31 degrees, F*360/31 degrees (E+F=10). 
   By the constitution, a timepiece with calendar mechanism having large calendar indication and easy to see can be realized. 
   In reference to  FIG. 7(   a ), the first date indicator  512  includes 6 pieces of first date indicator teeth portions  516  formed to constitute equal angular intervals. A first date character indicating face  512   f  is provided at an upper face of a first date plate  512   d . First date characters  512   h  comprising 5 pieces of numerals are provided at the first date character indicating face  512   f . The first date characters  512   h  include numerals in a circumferential direction in an order of “0”, “1”, “2”, “3”, “4”. That is, the first date characters  512   h  are provided for indicating portions of a position of 1 of a date, that is, “0”, “1”, “2”, “3”, “4”. 5 pieces of numerals constituting the first date characters  512   h  are arranged at the first date character indicating face  512   f  at equal angular intervals, that is, intervals of (360/6) degrees. A notch portion  512   k  is provided between “0” of the first date character  512   h  and “4” of the first date character  512   h . The notch portion  512   k  is formed in an angular range of (360/6) degrees to correspond to a range for providing one character of the first date character  512   h.    
   In reference to  FIG. 7(   b ), the second date indicator  522  includes a second date plate  522   d  and 6 pieces of second date indicator teeth portions  526  formed to constitute equal angular intervals. A second date character indicating face  522   f  is provided at an upper face of the second date plate  522   d . Second date characters  522   h  comprising 5 pieces of numerals and one piece of “solid portion”  522   g  are provided at the second date character indicating face  522   f . The second date characters  522   h  are arranged in a circumferential direction in an order of “5 ”, “6”, “7”, “8”, “9”. That is, the second date characters  522   h  are provided to indicate other portions of the position of 1 of the date, that is, “5”, “6”, “7”, “8”, “9”. The “solid portion”  522   g  is arranged between “5” of the second date character  522   h  and “9” of the second date character  522   h.  5 pieces of numerals constituting the second date characters  522   h  are arranged at the second character indicating face  522   f  at equal intervals, that is, at intervals of (360/6) degrees. The “solid portion”  522   g  is formed in an angular range of (360/6) degrees to correspond to a range of providing one character of the second date character  522   h.    
   The first date characters  512   h  provided at the first character indicating face  512   f  may be started from any of consecutive numerals of “0” through “9”. For example, the first date characters  512   h  may be 5 pieces of numerals of “8”, “9”, “0”, “1”, “2”. In this case, the second date characters  522   h  provided at the upper face of the second date plate  522   d  may be arranged in the circumferential direction in an order of “3”, “4”, “5”, “6”, “7” of numerals of the consecutive numerals of “0” through “9” other than numerals illustrated on the first date character indicating face  512   f.    
   Further, the first date character(s)  512   h  provided at the first date character indicating face  512   f  may be one numeral, or two or more and 8 or less of numerals of the consecutive numerals of “0” through “9”. In this case, the second date characters  522   h  provided at the upper face of the second date plate  522   d  may be arranged with consecutive numerals of 2 or more and 8 or less of the consecutive numerals of “0” through “9” other than numerals illustrated on the first character indicating face  512   f . By this construction, a size of a numeral indicating a date of the date indicator may be made to be larger than that of the background art. Therefore, according to the invention, a timepiece with calendar mechanism having a large calendar indication that is easy to see can be realized. 
   In reference to  FIG. 8 , the third date indicator  532  includes a third date plate  532   d  and 4 pieces of third indicator teeth portions formed to constitute equal angular intervals. A third date character indicating face  532   f  is arranged at an upper face of the third date plate  532   d . Third date characters  532   h  comprising 4 pieces of numerals are provided at a third date character indicating face  532   f . The third date characters  532   h  include numerals in a circumferential direction in an order of “0”, “1”, “2”, “3”. That is, the third date indicator  532  is provided to indicate a position of 10 of the date, that is, “0”, “1”, “2”, “3”,“4” pieces of numerals constituting the third date characters  532   h  are arranged at the third date character indicating face  532   f  at equal angular intervals, that is, at intervals of (360/4) degrees. 
   Further, as shown by  FIG. 28 , a third date indicator  632  may-be constituted to include a third date plate  632   d  and 6 pieces of third date indicator teeth portions formed to constitute equal intervals. A third date character indicating face  632   f  is provided at an upper face of the third date plate  632   d . The third date characters  632   h  comprising 6 pieces of numerals are provided at the third date character indicating face  632   f . The third characters  632   h  include numerals in a circumferential direction in an order of “0”, “0”, “1”, “1”, “2”, “3”. That is, the third date indicator  632  is provided to indicate a position of 10 of a date, that is “0”, “1”, “2”, “3”. 6 pieces of numerals constituting the third date characters  632   h  may be arranged at the third date character indicating face  632   f  at equal angular intervals, that is, at the intervals of (360/6). 
   Further, 6 pieces of numerals may be constituted by adding two of same numerals or different numerals to “0”, “1”, “2”, “3” and “0”, “1”, “2”, “3”, to be “0”, “0”, “0”, “1”, “2”, “3”, or “0”, “1”, “1”, “1”, “2”, “3”. 
   By the constitution, a size of individual characters of the first date characters  512   h , a size of individual characters of the second date characters  522   h , a size of individual characters of the third date characters  532   h  are formed by equal dimensions and therefore, a calendar mechanism which is large and easy to be see can be realized. 
   The respective date plates can be formed by a metal of brass, aluminum or the like, or plastic of polyacetal or the like. Respective date characters can be formed by printing or the like. It is preferable to form an outer diameter of the first date wheel  512  by a dimension equal to an outer diameter of the second date indicator  522 . Further, it is further preferable to form the outer diameter of the first date indicator  512 , the outer diameter of the second date indicator  522  and an outer diameter of the third date indicator  532  by an equal dimension. It is preferable to form a size of individual characters of the first date characters  512   h , a size of individual characters of the second date characters  522   h , and a size of individual characters of the third date characters  532   h  by an equal dimension. By the constitution, the calendar mechanism which is large and easy to see can be realized. 
   In reference to  FIG. 13 ,  FIG. 13  shows a state of indicating that date is “29 day” by providing a date window at a position in 12 o&#39;clock direction of the dial  104  in the timepiece with calendar mechanism of the invention, indicating “9” by the second date indicator  522  and indicating “2” by the third date indicator  532  from the date window. 
   In a state shown in  FIG. 14 , “0” of the first date character  512   h  is arranged at the date window  104   f  provided at the dial  104 , when the date indicator  512  is rotated by one pitch in a direction indicated by an arrow mark, “1” in the first date characters  512   h  is constituted to be arranged at the date window  104   f . In the following, similarly, when the first date indicator  512  is rotated by one pitch in the direction indicated by the arrow mark, one of the first date characters  512   h  is arranged at the date window  104   f  in an order of “2”, “3”, “4”, next, the notch portion  512   k  is constituted to be arranged at the date window  104   f . Further, when the first date indicator  512  is rotated by one pitch in the direction indicated by the arrow mark, “0” of the first date character  512   h  is constituted to be arranged at the date window  104   f  provided at the dial  104  again. By the constitution, the timepiece with calendar mechanism in which calendar indication is large and easy to see can be realized. 
   In the state shown in  FIG. 14 , the first date indicator  512  is disposed on the side of the dial and therefore, the second date character  522   h  cannot be seen from the date window  104   f . When the second date indicator  522  is rotated by one pitch in the direction indicated by the arrow mark in a state of arranging the notch portion  512   k  at the date window  104   f , one of the second date characters  522   h  is arranged at the date window  104   f  in an order of “5”, “6”, “7”, “8”, “9”, next, the “solid portion”  522   g  is constituted to be arranged at the date window  104   f . By the constitution, the timepiece with calendar mechanism in which calendar indication is large and easy to see can be realized. 
   In the state shown in  FIG. 14 , “3” of the third date characters  532   h  is arranged at the date window  104   f , when the third date indicator  532  is rotated by one pitch in the direction indicated by the arrow mark, “0” arranged successive to “3” in the third date characters  532   h  is constituted to be arranged at the date window  104   f . In the following, similarly, when the third date indicator  532  is rotated by one pitch in the direction indicated by the arrow mark, one of the third date characters  532   h  is constituted to be arranged at the date window  104   f  in an order of “1”, “2”, “3”, “0”. Or, there can be constructed a constitution in which in the third date indicator  532 , instead of providing numeral “0”, the position is constituted by a portion of “white paper”, (that is, a solid portion which is not provided with any numeral). By the constitution, a timepiece with calendar mechanism in which indication of a calendar is large and easy to see can be realized. 
   The state shown in  FIG. 14  is a state in which “3” in the third date characters  532   h  is arranged at a portion on a left side of the date window  104   f , further, “0” in the first date characters  512   h  is arranged at a portion on a left side of the date window  104   f . It is preferable to arrange the third date character indicating face  532   f  to a position more proximate to the dial  104  than the first date character indicating face  512   f , further, to arrange a position more remote from the dial  104   f  than the second date character indicating face  522   f  (refer to  FIG. 3 ). By the constitution, both of a stepped difference between the third date character indicating face  532   f  and the first date indicating face  512   f  and a stepped difference between the third date character indicating face  532   f  and the second date character indicating face  522   f  can be minimized. 
   In reference to  FIG. 23 , a complete  500  of the timepiece with calendar mechanism according to the invention is formed with the date window  104   f  at 12 o&#39;clock position of the dial  104 . In the complete  500 , the portion on the left side of the date window  104   f  of the dial  104  is arranged with “3” in the third date characters  532   h  of the third date indicator  532 , the portion on the right side of the date window  104   f  is arranged with “0” in the first date characters  512   h  of the first date indicator  512 . Therefore,  FIG. 23  shows a state in which the complete  500  indicates “30 day” by the third date character  532   h  of the third date indicator  532  and the first date character  512   h  of the first date indicator  512 . 
   In reference to  FIG. 1  through  FIG. 4  and  FIG. 13 , by rotating the hour wheel &amp; pinion  354 , the date driving wheel  510  is rotated by way of rotation of the intermediate first date driving wheel  530 , the intermediate second date driving wheel  531 , the date driving finger  511  rotates the program wheel &amp; pinion  540  by an amount of one tooth in the clockwise direction by once per day. By rotating the program wheel &amp; pinion  540 , the first program wheel  544  rotates the first date indicator  512  in the counterclockwise direction by an amount of one teeth, and a portion of the first date character indicating face  512   f  of the first date indicator  512  arranged at the date window  104   f  can be changed from the notch portion  512   k  to date character “0”. Rotation of the first date indicator  512  by the amount of one tooth is rectified by the first date indicator jumper  514 . Simultaneously with rotating the first date indicator  512  by the first program wheel  544 , the second program wheel  546  rotates the second date indicator  522  in the counterclockwise direction by an amount of one tooth, and the date character arranged below the date window  104   f  by the second date indicator  522  can be changed from “9” to then “solid portion”  522   g . Rotation of the second date indicator  522  by the amount of one tooth is rectified by the second date indicator jumper  524 . 
   Further, simultaneously with rotating the first date indicator  512  by the first program wheel  544 , the third program wheel  548  rotates the third date indicator  532  in the counterclockwise direction by an amount of one tooth, and the date character arranged below the date window  104   f  of the third date indicator  532  can be changed from “2” to “3”. Rotation of the third date indicator  532  by the amount of one tooth is rectified by the third date indicator jumper  533 . As shown by  FIG. 14 , by the date driving operation, “30 day” can be indicated from the date window  104   f  by the third date indicator  532  and the first date indicator  512  by indicating “3” by the second date character  532   h  of the third date indicator  532  and indicating “0” by the first date character  512   h  of the first date indicator  512 . The date driving operation may be constituted to finish when the hour hand  356  and the minute hand  352  indicate 12 o&#39;clock 0 minute. 
   (1.6) Constitution of Calendar Correcting Mechanism: 
   In reference to  FIG. 1  through  FIG. 3 , a calendar correcting mechanism includes a first calendar corrector setting wheel  590 , a second calendar corrector setting wheel  591 , and a calendar corrector setting wheel  592 . The calendar corrector setting wheel  592  is constituted to be able to be pivoted along a guide hole provided at the main plate  102 . When the hand setting stem  310  is pulled from 0 stage to 1 stage, a wheel portion of the setting wheel  376  is constituted to be able to be brought in mesh with a wheel portion of the first calendar corrector setting wheel  590  by rotating the setting wheel operating lever  374  based on rotation of the setting lever  370 . Further, when the hand setting stem  310  is pulled from 0 stage to 1 stage, an inner side wheel of the clutch wheel  311  is constituted to be able to be brought in mesh with a wheel portion of the setting wheel  376  by rotating the yoke  371  based on rotation of the setting lever  370 . 
   When the hand setting stem  310  is rotated in a first direction in a state of pulling the hand setting stem  310  to 1 stage, the clutch wheel  311  is rotated, the second calendar corrector setting wheel  591  is rotated by rotation of the setting wheel  376 , the first calendar corrector setting wheel  590 , the calendar corrector setting wheel  592  is pivoted in the counterclockwise direction by rotation of the second calendar corrector setting wheel  591 , a wheel portion of the calendar corrector setting wheel  592  is rotated to a position of being brought in mesh with the teeth portion of the program date indicator  542  to be stopped thereby, and the calendar corrector setting wheel  592  is constituted to rotate at the calendar correcting position. When the calendar corrector setting wheel  592  is rotated at the calendar correcting position, the calendar corrector setting wheel  592  is constituted to be able to rotate the program wheel  540  in the clockwise direction. 
   When the hand setting stem  310  is rotated in a second direction reverse to the first direction in the state of pulling the hand setting stem  310  to 1 stage, the clutch wheel  311  is rotated, the second calendar corrector setting wheel  591  is rotated by rotation of the setting wheel  376 , the first calendar corrector setting wheel  590 , the calendar corrector setting wheel  592  is pivoted in the clockwise direction by rotation of the second calendar corrector setting wheel  591 , the wheel portion of the calendar corrector setting wheel  592  is rotated to a position of not being brought in mesh with the teeth portion of the program date wheel  542  to stop at an idling position. The program wheel  540  is constituted not to be able to be rotated not even when the calendar corrector setting wheel  592  is rotated at the idling position. 
   When the hand setting stem  310  is rotated in the first direction in the state of pulling the hand setting stem  310  to 1 stage, the program wheel  540  is rotated in the clockwise direction by an amount of one tooth by rotating the calendar corrector setting wheel  592  by way of rotation of the clutch wheel  311 , the setting wheel  376 , the first calendar corrector setting wheel  590 , the second calendar corrector setting wheel  591 , the second program wheel  546  can rotate the second date indicator  522  in the counterclockwise direction by the amount of one tooth by the teeth portion, and the third program wheel  548  is constituted to be able to rotate the third date indicator  532  in the counterclockwise direction by the amount of one tooth by the teeth portion. 
   The timepiece with calendar mechanism according to the invention is constructed by a constitution of indicating from “1 day” to “31 day” each month and therefore, date correction at end of month is carried out only at end of February, end of April, end of June, end of September, end of November. Therefore, according to the timepiece with calendar mechanism of the invention, a frequency of carrying out date correction at end of month can be constituted by 5 times in one year. 
   (1.7) Normal Hand Operation: 
   Next, normal operation of hand of the timepiece with calendar mechanism of the invention will be explained. In reference to  FIG. 3  through  FIG. 6  and  FIG. 12 , the main spring (not illustrated) integrated to the barrel complete  320  constitutes a power source of the timepiece. By winding back (releasing) the mainspring, the barrel wheel  320   d  of the barrel complete  320  is rotated in one direction to indicate time information by indicators (hour hand, minute hand, second hand or the like) by way of rotation of the top train wheel and the bottom train wheel. Rotation of the barrel wheel  320   d  rotated by power of the main spring is controlled by a speed control apparatus and an escapement apparatus. The speed control apparatus includes the balance with hairspring  340 . The escapement apparatus includes the pallet fork  342  and the escape wheel &amp; pinion  330 . The second wheel &amp; pinion  325  is rotated by rotation of the barrel wheel  320   d . By rotation of the second wheel &amp; pinion  325 , the third wheel &amp; pinion  326  is rotated. By rotation of the third wheel &amp; pinion  326 , the fourth wheel &amp; pinion  328  is rotated by one rotation per 1 minute. 
   A rotation speed of the fourth wheel &amp; pinion  328  is controlled by the escape wheel &amp; pinion  330 . A rotation speed of the escape wheel &amp; pinion  330  is controlled by the pallet fork  342 . Pivoting movement of the pallet fork  342  is controlled by the balance with hairspring  340 . By rotation of the third wheel &amp; pinion  326 , the minute indicator  324  is rotated by one rotation per 1 hour. The minute hand  352  attached to the minute indicator  324  indicates “minute”. The second hand  358  attached to the fourth wheel &amp; pinion  328  indicates “second”. The rotational center of the fourth wheel &amp; pinion  328  and the rotational center of the date indicator  324  are constituted to be disposed at the same position. By rotation of the minute indicator  324 , the minute wheel &amp; pinion  348  is rotated. By rotation of the minute wheel &amp; pinion  348 , the hour wheel &amp; pinion  354  is constituted to rotate by one rotation per 12 hours. The hour hand  356  attached to the hour wheel &amp; pinion  354  indicates “hour”. 
   (1.8) Winding Operation: 
   Operation of a hand winding mechanism will be explained in the timepiece with calendar mechanism of the invention as follows. In reference to  FIG. 2 ,  FIG. 5  and  FIG. 6 , the ratchet wheel  316  is supported to rotate integrally with the barrel stem of the barrel complete  320 . The ratchet wheel  316  can be rotated only in a direction the same as the direction of rotating the barrel complete  320 . A click  318  constituting a member of rectifying rotation of the ratchet wheel is provided at the barrel complete  360  for rectifying rotation of the ratchet wheel  316  only in one direction. By the click  318 , the ratchet wheel  316  can be hampered from rotating in the direction reverse to the direction of rotating the barrel complete  320 . When the clutch wheel  311  is rotated in one direction in a state in which the hand setting stem  310  is disposed at 0 stage, the winding pinion  312  is rotated, by rotation of the winding pinion  312 , the ratchet wheel  316  is rotated in the clockwise direction by way of rotation of the crown wheel  313 , a transmission crown wheel  314 , the pivoting crown wheel  315 . By rotating the clutch wheel  316 , the main spring can be wound. 
   Next, operation of an automatic winding mechanism will be explained in the timepiece with calendar mechanism according to the invention. In reference to  FIG. 3  through  FIG. 6 , according to the automatic winding mechanism, the first reduction wheel  212  is rotated based on the oscillating weight  210  and rotation of the oscillating weight  210 . The second reduction wheel  216  is rotated based on rotation of the first reduction wheel  212 . The switch transmission pinion of the switch transmission wheel  220  is rotated only in one direction based on rotation of the first reduction wheel  212  and the second reduction wheel  216 . Based on rotation of the switch transmission pinion, the ratchet wheel  316  can be rotated only in one direction by way of rotation of the first transmission wheel  250 , the second transmission wheel  252 , the third transmission wheel  254 . By rotating the ratchet wheel  316 , the main spring at inside of the barrel complete  320  can be wound up only in one direction. 
   (1.9) Hand Setting Operation: 
   Next, operation when hand setting is carried out will be explained in the timepiece with calendar mechanism according to the invention. When the hand setting stem  310  is pulled out to 2 stage from the state shown in  FIG. 2 , the clutch wheel  311  is rotated based on rotation of the hand setting stem  310 . That is, when the hand setting stem  310  is rotated in the state of pulling out the hand setting stem  310  to 2 stage, the setting wheel  376  is rotated based on rotation of the clutch wheel  311 . The minute wheel &amp; pinion  348  is rotated based on rotation of the clutch wheel  376 . Therefore, when the hand setting stem  310  is disposed at 2 stage, by rotating the hand setting stem  310 , “hand setting” can be carried out. That is, when the hand setting stem  310  is disposed at 2 stage, by rotating the hand setting stem  310 , the hour wheel &amp; pinion  354  is rotated, a content of indicating “hour” indicated by the hour hand  356  attached to the hour wheel &amp; pinion  354  is corrected, at the same time, a content of indicating “minute” indicated by the minute hand  352  attached to the minute indicator  324  can be corrected by rotating the minute indicator  324 . 
   (1.10) Calendar Driving Operation: 
   Next, a calendar driving operation of the timepiece with calendar mechanism according to the invention will be explained. In reference to  FIG. 13 , a state shown in  FIG. 13  is a state of indicating that the date is “29 day” by providing the date window at the position in 12 o&#39;clock direction of the dial  102 , indicating “9” by the second date indicator  522  from the date window and indicating “2” by the third date indicator  532 . Therefore, the state shown in  FIG. 13  is a state of indicating “29 day” by the third date character  532   h  of the third date indicator  532  and the second date character  522   h  of the second date indicator  522  in the complete  500 . 
   In reference to  FIG. 1  through  FIG. 4  and  FIG. 13 , by rotating the hour wheel &amp; pinion  354 , the date driving wheel  510  is rotated by way of rotation of the intermediate first date driving wheel  530 , the intermediate second date driving wheel  531 , the date driving finger  511  rotates the program wheel &amp; pinion  540  in the clockwise direction by the amount of one tooth by one time per 1 day. By rotating the program wheel &amp; pinion  540 , the first program wheel  544  rotates the first date indicator  512  in the counterclockwise direction by the amount of one tooth, and the portion of the first date character indicating face  512   f  of the first date indicator  512  arranged at the date window  104   f  is changed from the notch portion  512   k  to the date character “0”. Rotation of the first date indicator  512  by the amount of one tooth is rectified by the first date indicator jumper  514 . Simultaneously with rotating the first date indicator  512  by the first program wheel  544 , the second program wheel  546  rotates the second date indicator  522  in the counterclockwise direction by the amount of one tooth, and the date character of the second date indicator  522  arranged under the date window  104   f  is changed from “9” to the “solid portion”  522   g . Rotation of the second date indicator  522  by the amount of one tooth is rectified by the second date indicator jumper  524 . 
   Simultaneously with rotating the first date indicator  512  by the first program wheel  544 , the third program wheel  548  rotates the third date indicator  532  in the counterclockwise direction by the amount of one tooth, and the date character of the third date indicator  532  arranged under the date window  104   f  is changed from “2” to “3”. Rotation of the third date indicator  532  by the amount of one tooth is rectified by the third date indicator jumper  533 . As shown by  FIG. 14 , by the date driving operation, “3” can be indicated by the third date character  532   h  of the third date wheel  532 , “0” can be indicated by the first date character  512   h  of the first date wheel  512 , and “30 day” can be displayed from the date window  104   f  by the third date indicator  532  and the first date indicator  512 . The date driving operation is finished when the hour hand  356  and the minute hand  352  indicate 12 o&#39;clock 0 minute. 
   In reference to  FIG. 1  through  FIG. 4  and  FIG. 14 , further, by rotating the hour wheel &amp; pinion  354 , the date driving wheel  510  is rotated by way of rotation of the intermediate first date driving wheel  530 , the intermediate second date driving wheel  531 , the date driving finger  511  rotates the program wheel  540  in the clockwise direction by the amount of one tooth by one time per 1 day. By rotating the program wheel &amp; pinion  540 , the first program wheel  544  rotates the first date indicator  512  in the counterclockwise direction by the amount of one tooth, and the date character “0” of the first date wheel  512  arranged at the date window  104   f  is changed to “1”. Rotation of the first date indicator  512  by the amount of one tooth is rectified by the first date wheel jumper  514 . 
   Simultaneously with rotating the first date indicator  512  by the first program wheel  544 , the second program wheel  546  rotates the second date indicator  522  by the amount of one tooth in the counterclockwise direction, and the “solid portion”  522   g  of the second date wheel  522  arranged under the date window  104   f  is changed to the date character “5”. Rotation of the second date wheel  522  by the amount of one tooth is rectified by the second date indicator jumper  524 . When the first program wheel  544  rotates the first date indicator  512 , the third program wheel  548  does not rotate the third date indicator  532  but the date character of the third date indicator  532  arranged under the date window  104   f  stays to be “3”. Rotation of the third date indicator  532  is rectified by the third date indicator jumper  533 . As shown by  FIG. 15 , by the date driving operation, “3” can be indicated by the third date character  532   h  of the third date indicator  532 , “1” can be indicated by the first date character  512   h  of the first date indicator  512 , and “31 day” can be indicated by the third date indicator  532  and the first date indicator  512 . 
   In reference to  FIG. 1  through  FIG. 4  and  FIG. 15 , further, by rotating the hour wheel &amp; pinion  354 , the date driving wheel  510  is rotated by way of rotation of the intermediate first date driving wheel  530 , the intermediate second date driving wheel  531 , and the date driving finger  511  rotates the program wheel &amp; pinion  540  in the clockwise direction by the amount of one tooth by one time per 1 day. By rotating the program wheel &amp; pinion  540 , the first program wheel  544  does not rotate the first date wheel  512  but the date character of the first date indicator  512  arranged under the date window  104   f  stays to be “1”. Rotation of the first date indicator  512  is rectified by the first date indicator jumper  514 . By rotating the program wheel &amp; pinion  540 , the second program wheel  546  does not rotate the second date wheel  522  but the date character of the second date indicator  522  arranged under the date window  104   f  stays to be “5”. 
   Rotation of the second date indicator  522  is rectified by the second date indicator jumper  524 . By rotating the program wheel &amp; pinion  540 , the third program wheel  548  rotates the third date indicator  532  in the counterclockwise direction by the amount of one tooth, and the date character of the third date indicator  532  arranged under the date window  104   f  is changed from “3” to “0”. Rotation of the third date indicator  532  is rectified by the third date indicator jumper  533 . As shown by  FIG. 16 , by the date driving operation, “0” can be indicated by the third date character  532   h  of the third date indicator  532 , “1” can be indicated by the first date character  512   h  of the first date indicator  512 , and “01 day” (that is, “1 day”) can be indicated by the third date indicator  532  and the first date indicator  512  from the date window  104   f.    
   In reference to  FIG. 1  through  FIG. 4  and  FIG. 16 , further, by rotating the hour wheel &amp; pinion  354 , the date driving wheel  510  is rotated by way of rotation of the intermediate first date driving wheel  530 , the intermediate second date driving wheel  531 , and the date driving finger  511  rotates the program wheel &amp; pinion  540  in the clockwise direction by the amount of one tooth by one time per 1 day. By rotating the program wheel &amp; pinion  540 , the first program wheel  544  rotates the first date indicator  512  in the counterclockwise direction by the amount of one tooth, and the date character of the first date indicator  512  arranged under the date window  104   f  is changed from “1” to “2”. At this occasion, the second program wheel  546  does not rotate the second date indicator  522  but the date character of the second date indicator  522  arranged under the date window  104   f  stays to be “5”, the third program wheel  548  does not rotate the third date indicator  532  but the date character of the second date indicator  522  arranged under the date window  104   f  stays to be “0”. 
   Similarly, by rotating the program wheel &amp; pinion  540 , the date character of the first date indicator  512  arranged under the date window  104   f  is changed from “2” to “3”. Further, by rotating the program wheel &amp; pinion  540 , the date character of the first date indicator  512  arranged under: the date window  104   f  is changed from “3” to “4”. As shown by  FIG. 17 , by the date driving operation, “0” can be indicated by the third date character  532   h  of the third date indicator  532 , “4” can be indicated by the first date character  512   h  of the first date indicator  512 , and “04 day” (that is, “4 day”) can be indicated from the date window  104   f  by the third date indicator  532  and the first date indicator  512 . 
   In reference to  FIG. 1  through  FIG. 4  and  FIG. 17 , by rotating the hour wheel &amp; pinion  354 , the date driving wheel  510  is rotated by way of rotation of the intermediate first date driving wheel  530 , the intermediate second date driving wheel  531 , and the date driving finger  511  rotates the program wheel &amp; pinion  540  in the clockwise direction by the amount of one tooth by one time per 1 day. By rotating the program wheel &amp; pinion  540 , the first program wheel  544  rotates the first date indicator  512  in the counterclockwise direction by the amount of one tooth, and the portion of the first date indicator  512  arranged under the date window  104   f  is changed from “0” to the notch portion  512   k . Rotation of the first date indicator  512  by the amount of one tooth is rectified by the first date indicator jumper  514 . At this occasion, the second program wheel  546  does not rotate the second date indicator  522  but the date character of the second date indicator  522  arranged under the date window  104   f  stays to be “5”, the third program wheel  548  does not rotate the third date indicator  532  but the date character of the second date indicator  522  arranged under the date window  104   f  stays to be “0”. As shown by  FIG. 18 , by the date driving operation, “0” can be indicated by the third date character  532   h  of the third date indicator  532 , “5” can be indicated by the second date character  522   h  of the second date indicator  522 , and “05 day”, (that is, “5 day”) can be indicated from the date window  104   f  of the third date indicator  532  and the second date indicator  522 . 
   In reference to  FIG. 1  through  FIG. 4  and  FIG. 18 , by rotating the hour wheel &amp; pinion  354 , the date driving wheel  510  is rotated by way of rotation of the intermediate first date driving wheel  530 , the intermediate second date driving wheel.  531 , and the date driving finger  511  rotates the program wheel &amp; pinion  540  in the clockwise direction by the amount of one tooth by one time per 1 day. By rotating the program wheel &amp; pinion  540 , the first program wheel  544  does not rotate the first date indicator  512  but the portion of the first date indicator  512  arranged under the date window  104   f  stays to be the notch portion  512   k . Rotation of the first date indicator  512  is rectified by the first date indicator jumper  514 . By rotating the program wheel  540 , the second program wheel  546  rotates the second date indicator  522  in the counterclockwise direction by the amount of one tooth, and the date character of the second date indicator  522  arranged under the date window  104   f . is changed from “5” to “6”. At this occasion, the third program wheel  548  does not rotate the third date indicator  532  but the date character of the second date indicator  522  arranged under the date window  104   f  stays to be “0”. 
   As shown by  FIG. 19 , by the date driving operation, “0” can be indicated by the third date character  532   h  of the third date indicator  532 , “6” can be indicated by the second date character  522   h  of the second date indicator  522 , and “06 day” (that is, “6 day”) can be indicated from the date window  104   f  by the third date indicator  532  and the second date indicator  522 . Similarly, by rotating the program wheel &amp; pinion  540 , the date character of the second date indicator  522  arranged under the date window  104   f  is changed from “6” to “7”. Further, by rotating the program wheel &amp; pinion  540 , the date character of the second date indicator  522  arranged under the date window  104   f  is changed from “7” to “8”. Further, by rotating the program wheel &amp; pinion  540 , the date character of the second date indicator  522  arranged under the date window  104   f  is changed from “8” to “9”. As shown by  FIG. 20 , by the date driving operation, “0” can be indicated by the third date character  532   h  of the third date indicator  532 , “9” can be indicated by the second date character  522   h  of the second date indicator  522 , and “09 day” (that is, “9 day”) can be indicated from the date window  104   f  by the third date indicator  532  and the second date indicator  522 . 
   In reference to  FIG. 1  through  FIG. 4  and  FIG. 20 , further, by rotating the hour wheel &amp; pinion  354 , the date driving wheel  510  is rotated by way of rotation of the intermediate first date driving wheel  530 , the intermediate second date driving wheel  531 , and the date driving finger  511  rotates the program wheel &amp; pinion  540  in the clockwise direction by the amount of one tooth by one time per 1 day. By rotating the program wheel  540 , the first program wheel  544  rotates the first date indicator  512  in the counterclockwise direction by the amount of one tooth, and the portion of the first date indicator  512  arranged under the date window  104   f  is changed from the notch portion  512   k  to the date character “0”. Rotation of the first date indicator  512  by the amount of one tooth is rectified by the first date indicator jumper  514 . 
   Simultaneously with rotating the first date indicator  512  by the first program wheel  544 , the second program wheel  546  rotates the second date indicator  522  in the counterclockwise direction by the amount of one tooth, and the date character “9” of the second date indicator  522  arranged under the date window  104   f  is changed to “solid portion”  522   g . Rotation of the second date indicator  522  by the amount of one tooth is rectified by the second date indicator jumper  524 . Simultaneously with rotating the first date indicator  512  by the first program wheel  544 , the second program wheel  546  rotates the third date indicator  532  in the counterclockwise direction by the amount of one tooth, and the date character of the third date indicator  532  arranged under the date window  104   f  is changed from “0” to “1”. Rotation of the third date indicator  532  is rectified by the third date indicator jumper  533 . As shown by  FIG. 21 , by the date driving operation, “1” can be indicated by the third date character  532   h  of the third date indicator  532 , “0” can be indicated by the first date character  512   h  of the first date indicator  512 , and “10 day” can be indicated from the date window  104   f  by the third date indicator  532  and the first date indicator  512 . 
   In reference to  FIG. 1  through  FIG. 4  and  FIG. 21 , further, by rotating the hour wheel &amp; pinion  354 , the date driving wheel  510  is rotated by way of rotation of the intermediate first date driving wheel  530 , the intermediate second date driving wheel  531 , and the date driving finger  511  rotates the program wheel &amp; pinion  540  in the clockwise direction by the amount of one tooth by one time per 1 day. By rotating the program wheel &amp; pinion  540 , the first program wheel  544  rotates the first date indicator  512  in the counterclockwise direction by the amount of one tooth, and the date character “0” of the first date indicator  512  arranged under the date window  104   f  is changed to “1”. Rotation of the first date indicator  512  by the amount of one tooth is rectified by the first date indicator jumper  514 . Simultaneously with rotating the first date indicator  512  by the first program wheel  544 , the second program wheel  546  rotates the second date wheel  522  in the counterclockwise direction by the amount of one tooth, and the portion of the second date indicator  522  arranged under the date window  104   f  is changed from the “solid portion”  522   g  to the date character “5”. Rotation of the second date indicator  522  by the amount of one tooth is rectified by the second date indicator jumper  524 . 
   At this occasion, the third program wheel  548  does not rotate the third date indicator  532  but the date character of the third date indicator  532  arranged under the date window  104   f  stays to be “1”. As shown by  FIG. 22 , by the date driving operation, “1” can be indicated by the third date character  532   h  of the third date indicator  532 , “1” can be indicated by the first date character  512   h  of the first date indicator  512 , and “11 day” can be indicated from the date window  104   f  by the third date indicator  532  and the first date indicator  512 . 
   The timepiece with calendar mechanism of the invention can carry out the above-described operation by one time everyday, the portion of the position of 1 of the date (that is, “0”, “1”, “2”, “3”, “4”) can be indicated by the first date indicator  512 , other portion of the position of 1 of the date (that is, “5”, “6”, “7”, “8”, “9”) can be indicated by the second date indicator  522 , and the position of 10 of the date (that is, “0”, “1”, “2”, “3”) can be indicated by the third date indicator  532  and therefore, “01 day” through “31 day” can be indicated from the date window  104   f  by large characters. 
   (1.11) Date Correcting Operation: 
   Next, an explanation will be given of operation when date is corrected in the timepiece with calendar mechanism according to the invention. In reference to  FIG. 1  through  FIG. 3 , in the state of pulling the hand setting stem  310  to 1 stage, when the hand setting stem  310  is rotated in the first direction, the clutch wheel  311  is rotated, the second calendar corrector setting wheel  591  is rotated by rotation of the setting wheel  376 , the first calendar corrector setting wheel  590 , the calendar corrector setting wheel  592  is pivoted in the counterclockwise direction by rotation of the second calendar corrector setting wheel  591 , the wheel portion of the calendar corrector setting wheel  592  is rotated to the position of being brought into contact with the teeth portion of the program date indicator  542  to stop, and the calendar corrector setting wheel  592  is rotated at the calendar correcting position. When the calendar corrector setting wheel  592  is rotated at the calendar correcting position, the program wheel &amp; pinion  540  can be rotated in the clockwise direction by rotating the calendar corrector setting wheel  592 . 
   In reference to  FIG. 1  through  FIG. 3  and  FIG. 12 , in the state of pulling the hand setting stem  310  to 1 stage, when the hand setting stem  310  is rotated in the first direction, the program wheel &amp; pinion  540  is rotated in the clockwise direction by the amount of one tooth by rotating the calendar corrector setting wheel  592  by way of rotation of the clutch wheel  311 , the setting wheel  376 , the first calendar corrector setting wheel  590 , the second calendar corrector setting wheel  591 , the first program wheel  544  rotates the first date indicator  512  in the counterclockwise direction by the amount of one tooth, and the date character indicated from the date window  104   f  can be changed from “9” to “0” by the first date indicator  512 . Simultaneously with rotating the first date indicator  512  by the first program wheel  544 , the third program wheel  548  rotates the third date indicator  532  in the counterclockwise direction by the amount of one tooth, and the date character indicated from the date window  104   f  can be changed from “2” to “3” by the third date indicator  532 . As shown by  FIG. 14 , when the correcting operation is carried out, “3” can be indicated by the third date character  532   h  of the third date indicator  532 , “0” can be indicated by the first date character  512   h  of the first date indicator  512 , and “30 day” can be indicated from the date window  104   f  by the third date indicator  532  and the first date indicator  512 . 
   (2) Second Embodiment 
   Next, a second embodiment of a timepiece with calendar mechanism according to the invention will be explained. In the following explanation, a description will mainly be given of a point in which the second embodiment of the timepiece with calendar mechanism of the invention differs from the first embodiment of the timepiece with calendar mechanism of the invention. Therefore, the above-described explanation of the first embodiment of the timepiece with calendar mechanism of the invention will be applied to a portion which is not described below. The second embodiment of the timepiece with calendar mechanism according to the invention is an analog electronic timepiece. 
   (2.1) Total Constitution of Movement: 
   In reference to  FIG. 24  and  FIG. 25 , in the second embodiment of the timepiece with calendar mechanism according to the invention, a movement  400  is constituted by an analog electronic timepiece. The movement  400  includes a main plate  402  constituting a base plate of the movement  400 . A dial  404  is attached to the movement  400 . A hand setting stem  410  is rotatably integrated to the main plate  402 . A clutch wheel  472  is arranged, to be provided with a rotation axis line the same as a rotation axis line of the hand setting stem  410 . A battery  440  constituting a power source of the timepiece is arranged on a case back side (top side) of the main plate  402 . A quartz unit  650  constituting an oscillation source of the timepiece is arranged on the case back side of the main plate  402 . For example, a crystal oscillator oscillated at 32,768 Hertz is contained in the quartz unit  650 . 
   An oscillating portion (oscillator) for outputting a reference signal based on oscillation of the crystal oscillator, a dividing control portion for controlling operation of a step motor by dividing an output signal of the oscillating portion, and a motor driving portion (driver) for outputting a motor drive signal for driving the step motor based on an output signal of the dividing control portion are included in an integrated circuit (IC)  654 . The integrating circuit  654  is constituted by, for example, C-MOS or PLA. When the integrating circuit  654  is constituted by C-MOS, the oscillating portion, the dividing control portion, and the motor driving portion are included in the oscillating circuit  654 . When the integrated circuit (IC)  654  is constituted by PLA, the oscillating portion, the diving control portion, and the motor driving portion are constituted to operate by a program stored to PLA. 
   The quartz unit  650  and the integrating circuit  654  are fixed to a circuit board  610 . The circuit board  610 , the quartz unit  650  and the integrated circuit  654  constitute a circuit block  612 . A circuit block  612  is arranged on the case back side of the main plate  402 . The timepiece with calendar of the invention can use outward-attached elements of a resistor, a condenser, a coil, a diode and the like as necessary. A battery terminal (−)  660  is provided for conducting a negative pole of the battery  440  and a minus pattern of the circuit board  610 . A battery terminal (+)  662  is provided for conducting a positive pole of the battery  440  and a plus pattern of the circuit board  610 . 
   A coil block  630  including a coil wire wound around a magnetic core, a stator  632  arranged to be brought into contact with both end portions of the magnetic core of the coil block  630 , and a rotor  634  including a rotor magnet  634   b  arranged at the rotor hole  632   c  of the stator  632  are arranged on the case back side of the main plate  402 . The coil block  630 , the stator  632 , and the rotor  634  constitutes the step motor. A fifth wheel &amp; pinion  441  is constituted to rotate by rotation of the rotor  634 . A fourth wheel &amp; pinion  442  is constituted to rotate by rotation of the fifth wheel &amp; pinion  441 . A third wheel &amp; pinion  444  is constituted to rotate by rotation of the fourth wheel &amp; pinion  442 . A center wheel &amp; pinion  446  is constituted to rotate by rotation of the third wheel &amp; pinion  444 . A minute wheel &amp; pinion  448  is constituted to rotate by rotation of the center wheel &amp; pinion  446 . An hour wheel &amp; pinion  480  is constituted to rotate by rotation of the minute wheel &amp; pinion  448 . 
   The fourth wheel &amp; pinion  442  is constituted to rotate by one rotation per 1 minute. A second hand  460  is attached to the fourth wheel &amp; pinion  442 . The center wheel &amp; pinion  446  is constituted to rotate by one rotation per 1 hour. A minute hand  462  is attached to the center wheel &amp; pinion  446 . A slip mechanism is attached to the center wheel &amp; pinion  446 . When hands are set by the slip mechanism, by rotating the hand setting stem  410  in a state of stopping the second hand  460 , the minute hand  462  and an hour hand  464  can be rotated. When the hands are set by pulling the hand setting stem  410  to 2 stage, in order to stop rotation of the second hand  460  by rectifying a wheel portion of the fifth wheel &amp; pinion  441 , a rectifying lever  468  is provided. A center pipe  402   c  is fixed to the main plate  402 . The center pipe  402   c  is extended from the case back side of the main plate  402  to the dial side of the main plate  402 . The center wheel &amp; pinion  446  is rotatably supported at inside of a hole portion of the center pipe  402   c . An abacus bead of the fourth wheel &amp; pinion  442  is rotatably supported at inside of a hole portion of the center wheel &amp; pinion  446 . 
   A train wheel bridge  458  is arranged on the case back side of the main plate  402 . An upper shaft portion of the rotor  634 , an upper shaft portion of the fifth wheel &amp; pinion  441 , an upper shaft portion of the fourth wheel &amp; pinion  442 , an upper shaft portion of the third wheel &amp; pinion  444 , and an upper shaft portion of the minute wheel &amp; pinion  448  are rotatably supported by the train wheel bridge  458 . A lower shaft portion of the rotor  634 , a lower shaft portion of the fifth wheel &amp; pinion  441 , a lower shaft portion of the third wheel &amp; pinion  444 , and a lower shaft portion of the minute wheel &amp; pinion  448  are rotatably supported by the main plate  402 . The hour wheel &amp; pinion  480  is constituted to rotate by one rotation per 12 hours. The hour hand  464  is attached to the hour wheel &amp; pinion  480 . By the hour hand  464  attached to the hour wheel &amp; pinion  480 , “hour” is indicated by “12 hour system” constituting 12 hours by one turn. A wheel portion of the minute wheel &amp; pinion  448  is constituted to be brought in mesh with the setting wheel  449 . The setting wheel  449  is arranged between the main plate  402  and the train wheel bridge  458 . A minute pinion (not illustrated) of the minute wheel &amp; pinion  448  is disposed on the dial side of the main plate  402  and is constituted to be brought in mesh with an hour wheel of the hour wheel &amp; pinion  480 . A hole portion of the hour wheel  480  is rotatably supported by an outer peripheral portion of a shaft portion of the center pipe  402   c.    
   (2.2) Operation of Second Embodiment: 
   Next, normal hand operation will be explained in the second embodiment of the timepiece with calendar mechanism according to the invention. In reference to  FIG. 24  and  FIG. 25 , the battery  440  constitutes the power source of the timepiece. The crystal oscillator contained in the quartz unit  650  is oscillated by, for example, 32,768 Hertz. Based on the oscillation of the crystal oscillator, an oscillating portion included in the integrated circuit  654  outputs the reference signal, and the dividing control portion divides the output signal of the oscillating portion. The motor driving portion outputs the motor driving signal for driving the step motor to the coil block  630  based on the output signal of the dividing control portion. When the coil block  630  inputs the motor drive signal, the stator  632  is magnetized to rotate the rotor  634 . The rotor  634  is rotated by, for example, 180 degrees per 1 second. Based on rotation of the rotor  634 , the fourth wheel &amp; pinion  442  is rotated by way of rotation of the fifth wheel &amp; pinion  441 . The fourth wheel &amp; pinion  442  is rotated by one rotation per 1 minute. By the second hand  460  attached to the fourth wheel &amp; pinion  442 , “second” of time information is indicated. The third wheel &amp; pinion  444  is rotated based on rotation of the fourth wheel &amp; pinion  442 . 
   The center wheel &amp; pinion  446  is rotated based on rotation of the third wheel &amp; pinion  444 . A minute indicator may be used in place of the center wheel &amp; pinion  446 . The center wheel &amp; pinion  446  is rotated by one rotation per 1 hour. By the minute hand  462  attached to the center wheel &amp; pinion  446 , “minute” of time information is indicated. The slip mechanism is attached to the center wheel &amp; pinion  446 . By the slip mechanism, when hands are set, in a state of stopping the second hand  460  by rectifying the wheel portion of the fifth wheel &amp; pinion  442  by the rectifying lever  468 , by rotating the hand setting stem  480 , the minute hand  462  and the hour hand  464  can be rotated. The minute wheel &amp; pinion  448  is rotated based on rotation of the center wheel &amp; pinion  446 . The hour wheel &amp; pinion  480  is rotated based on rotation of the minute wheel &amp; pinion  448 . The hour wheel  480  is rotated by one rotation per 12 hours. By the hour hand  464  attached to the hour wheel &amp; pinion  480 , “hour” of time information is indicated. 
   According to the second embodiment of the timepiece with calendar mechanism of the invention, calendar driving operation, calendar correcting operation or the like is similar to operation of the first embodiment of the timepiece with calendar mechanism according to the invention. That is, by rotating the hour wheel &amp; pinion  480 , the date driving wheel  510  is rotated by way of rotation of the intermediate first date driving wheel  530 , the intermediate second date driving wheel  531 , and the date driving finger  511  rotates the program wheel &amp; pinion  540  in the clockwise direction by the amount of one tooth by one time per 1 day. By rotating the program wheel &amp; pinion  540 , the first program wheel  544  can rotate the first date indicator  512 , the second program wheel  546  can rotate the second date indicator  522 , and the third program wheel  548  can rotate the third date wheel  532 . 
   By the invention, the timepiece with calendar mechanism in which the drive mechanism for driving the date indicator is simple and an area occupied by the drive mechanism is small can be fabricated. Further, by the invention, the timepiece with calendar mechanism promoting optical recognizability of date indication by a compact constitution can be fabricated. That is, by the invention, in the timepiece with calendar mechanism, large date indication can be realized. Further, according to the timepiece with calendar mechanism of the invention, a load of rotating the drive mechanism is small. 
   According to the timepiece with calendar mechanism of the invention, the drive mechanism for driving the three date indicators is simple and an area occupied by the drive mechanism is small. Therefore, according to the timepiece with calendar mechanism of the invention, by the compact constitution, recognizability of date indication can simply be promoted. Further, the timepiece with calendar mechanism of the invention is provided with a structure of indicating the position of 1 of date indication by the first date indicator and the second date indicator arranged in two stages and therefore, large date indication can be realized. Further, the timepiece with calendar mechanism of the invention can be constituted to make the rotational load of the drive mechanism small. Further, according to the timepiece with calendar mechanism of the invention, a frequency of correcting date at end of month can be made to be 5 times in a year.

Technology Classification (CPC): 6