G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
G04B13/00—Gearwork
G04B13/002—Gearwork where rotation in one direction is changed into a stepping movement
G04B13/003—Gearwork where rotation in one direction is changed into a stepping movement with a step for each complete revolution
G—PHYSICS
G04—HOROLOGY
G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
G04C3/16—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating an electro-dynamic continuously rotating motor
Pièce d'horlogerie du type mécanique ou électromécanique comportant une roue d'entraînement pilotant au moins un dispositif d'affichage, tel qu'un affichage des quantièmes.