179083 ⎘
Indicating the time by visual means; Clocks or watches with date indicators ; Clockwork calendars characterised by the shape of the date indicator combination of different shapes, e.g. bands and discs, discs and drums
Sub-classes:On-demand horological display mechanism
#2Mechanism for displaying a time period or season
#3Timepiece movement including an analogue display
#4Calendar display device and calendar watch
#5Calendar display device and calendar watch