Clock movement for use in mechanical watch, has zero reset mechanism annually acting on mobiles at end of anniversary date for resetting display from zero value to value of specific days based on four-year cycle of leap years

摘要

The movement has a display displaying a number of days between a current date and an anniversary date. The display has indicating mobiles driven by the movement via a perpetual calendar mechanism so as to daily decrement the number of the days displayed by the display. A zero reset mechanism annually acts on the mobiles at the end of the anniversary date for resetting the display from a zero value to a value of 365 or 366 days based on a four-year cycle of leap years. The mobiles are formed of units indicating mobiles (33), tens indicating mobiles (34) and hundreds indicating mobiles (35).