Timepiece provided with a date having a large aperture

摘要

The timepiece carries a date with a large aperture including a units indicator (9) and a tens indicator (10). Between these indicators and a date control crown-wheel (14) are located mechanisms (17, 18) for driving said indicators, these mechanisms each being provided with a locking system (30, 52) preventing any inadvertent movement of these indicators when shocks are applied to the timepiece.