Ce mouvement est muni d'un compteur des minutes à saut instantané.

Zénith modèle de La Poste, 1930

Brevet César Racine 1909

Année 1911

This movement is fitted with a 10-minute counter system.
After 10 minutes, the counter wheel is stopped by a sort of steel shoe.

However, the chronograph hand continues to turn. When you decide to stop the chronograph and then reset it, the 2 hands return to their initial positions.