Patent ID: 7266050
Filing Date: 2007-09-04
Classification: G04B

Abstract:
1. Device for the date indication in a watch, in particular a wrist watch, with a digit disk ( 9 ) and a decimal disk ( 6 ), which each comprise a sequence of figures or numbers and are arranged in such a manner that they allow to represent a two digit number within the region of an indicating position ( 61 ), which is visible through a corresponding date window in the dial of the watch, the device comprising a digit programme wheel ( 4 ) as well as a decimal programme wheel ( 3 ) engaging respectively with a digit pinion ( 7 ) and a decimal pinion ( 5 ) to control the switching operation of the digit disk ( 9 ) and of the decimal disk ( 6 ) respectively, as well as with a programme drive wheel ( 2 ), which passes on the driving force onto the digit programme wheel ( 4 ) and decimal programme wheel ( 3 ), characterized by the fact that the digit ( 4 ) and decimal programme wheel ( 3 ) as well as the digit ( 9 ) and decimal disk ( 6 ) are arranged in such a manner that the latter are subject to a switching operation of one step per month in a predetermined succession or instead to a switching operation break, in order to allow for the indication of the number of the month.