Patent ID: 8059492
Filing Date: 2011-11-15
Classification: G04B

Abstract:
1. A calendar mechanism-attached timepiece characterized in a calendar mechanism-attached timepiece having a month indicator and a date indicator, the calendar mechanism-attached timepiece comprising: a date indicator for indicating a date; a month indicator for indicating a month by being rotated based on rotation of the date indicator; a date indicator driving wheel constituted to rotate by one rotation per 24 hours; a date feed finger constituted to be able to rotate the date indicator based on rotation of the date indicator driving wheel; and a small month end feed lever constituted to be able to rotate the date indicator based on rotation of the date indicator driving wheel and rotation of the month indicator; wherein the date indicator is constituted to include a date indicating face portion provided with a date character, a date indicator tooth portion brought into contact with a date feed portion of the date feed finger, a month feed tooth for rotating an intermediate month wheel, and a small month end feed tooth for feeding the date indicator at an end of a small month; wherein the month indicator is constituted to include a month indicating face portion provided with a month character, and a month cam for operating the small month end feed lever at the end of the small month; wherein the small month end feed tooth of the date indicator is arranged to be able to be brought into contact with the small month end feed lever when an indication by the date character is an end of a month; and wherein the small month end feed lever is constituted to be able to feed the date indicator by an amount of one day based on rotation of the date indicator driving wheel and rotation of the month cam at the end of the small month.