Calibre by Valjoux/ETA
Self-winding chronograph movement with 17/25 jewels, 1/8-seconds counter, 30-minutes counter, 12-hours counter, 28.800 A/h, power reserve ca. 46 hours.
Variation of the Valjoux 7750 with full calendar and hands date, moon phase, 24-hours indication.
Since the takeover of Valjoux by ETA the movement is also called Calibre ETA 7751.