Valjoux 7751

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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.

Ebauche Variants


Automatic chronograph
Escapement: stone lever
Yoke winding system
Stop mechanism: Cam switching
Glucydur balance wheel
Nivaflex mainspring
Incabloc shock protection


Small seconds
1/8-seconds counter, 30-minutes counter, 12-hours counter
Date: hands, quickset date feature
Hacking seconds
Complications: 24-hours indication, day: quickset date feature, moon phase: rapid advance


13¼ lignes
D 30.0 mm, H 7.9 mm
17/25 jewels
28,800 A/h
Power reserve 46h

Production period:

Since 1986