Patent ID: 8264912
Filing Date: 2012-09-11
Classification: G04B

Abstract:
1. A watch with a calendar mechanism having two date indicators, comprising: a first date indicator that displays a ones place of a date; a first date jumper for setting a position of the first date indicator in a rotating direction of the first date indicator; a second date indicator that displays a tens place of the date; a second date jumper for setting a position of the second date indicator in a rotating direction of the second date indicator; and a second date indicator feeding lever for undergoing movement based on rotation of the first date indicator and for rotating the second date indicator, the second date indicator feeding lever undergoing movement from a first position to a second position toward the second date indicator based on rotation of the first date indicator and being restored to the first position by a spring force; wherein the first date indicator and the second date indicator are arranged so as to have common rotation centers; and wherein the first date indicator comprises 31 first date indicator tooth portions formed at equal angular intervals as inner teeth and four calendar shift teeth formed as inner teeth, the calendar shift teeth comprising a first calendar shift tooth serving as a reference, a second calendar shift tooth formed at an interval of 720/31 degrees in a first direction using the first calendar shift tooth as a reference, a third calendar shift tooth formed at an interval of 3240/31 degrees in the first direction using the second calendar shift tooth as a reference, and a fourth calendar shift tooth formed at an interval of 3600/31 degrees in a second direction opposite to the first direction using the first calendar shift tooth as a reference.