179100 ⎘
Indicating the time by visual means; Clocks or watches with date indicators ; Clockwork calendars characterised by the shape of the date indicator disc-shaped; Driving or releasing mechanisms Independent date indicating devices activated by hand or by clockwork, e.g. calendar watches
Sub-classes:INFORMATION DISPLAY MECHANISM, TIMEPIECE MOVEMENT, AND TIMEPIECE
#2Horology calendar system
#3Device for driving a mobile of a horological calendar mechanism
#4Two-directional date corrector mechanism for a date mechanism, date mechanism, timepiece
#5Calendar corrector