Reset push-piece for the chronograph functions (E)
(H)
(F)
(A)
(position 0)
(D)
Minute counter (F)
(A)
(A)
(position 1)
Central chronograph seconds hand (H)
(A)
(0)
Tachymeter scale (I)
(H)
Start/stop push-piece for the chronograph functions (D)
(H)
(F)
(D)
12
13