Self-winding chronograph movement with 25 jewels, ball-bearing rotor, unidirectional winding, 1/8-seconds counter, 30-minutes counter, 12-hours counter, 28.800 A/h, power reserve ca. 44 hours.
Variation of the Valjoux 7750, with additional 24 hours hand and second time zone mechanism (GMT).
Since the takeover of Valjoux by ETA the movement is also called Calibre ETA 7754.
Also Known As