FIELD: mechanisms.
SUBSTANCE: calendar mechanism containing program wheel (13) of days, which is driven by clock mechanism and actuates gearing for displaying days of month (16-24).
EFFECT: program wheel (13) of days consists of pinion (13') indexing days, which each day moves forward by one step by said clock mechanism, and at least one removable tooth (128, 129, 130), which can be driven by clock mechanism and turns between active position (128A, 129A, 130A), in which it is actuated, and inactive position (1281, 1291, 1301), in which it is not actuated by clock mechanism.
15 cl, 12 dwg
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