GEAR ASSEMBLY, TIMEPIECE, AND GEAR ASSEMBLY MANUFACTURING METHOD

HOROLOGICAL MOVEMENT COMPRISING A MOVABLE MEMBER PROVIDED WITH MEANS FOR VARIABLY ADJUSTING THE INCLINATION

CAM-TYPE TIMEPIECE COMPONENT

Display change mechanism

Disengagement of two gear trains

Display system for a timepiece

Timepiece movement and timepiece including such a movement

Column-wheel for a chronograph, chronograph and chronograph watch including such a wheel

Clockwork movement

Driving mechanism for radio-controlled clocks

Instrument for measuring intervals of time comprising a ringing mechanism