US Patent 7931399 Chronograph watch

The invention comprises a chronograph watch including a chronograph mechanism. The chronograph mechanism includes a chronograph train (50), and a counter mechanism (64) kinematically connected to the train (50). The counter mechanism (64) further includes first and second wheel sets (78, 82) respectively provided with first and second display members (36, 38), wherein the first wheel set (78) is angularly positioned using positioning members (86) so as to rotate in steps, and the second wheel set (82) is angularly positioned by the first wheel set (78).