Valjoux 7758

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Automatic chronograph with 17/25 jewels, ball-bearing rotor, unidirectional winding, 1/8-seconds counter, 30-minutes counter, 12-hours counter, Cam switching, 28.800 A/h, power reserve ca. 46 hours.

Variation of the Valjoux 7750, with additional moon phase.

Used in the model Breitling Montbrillant Eclipse.




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


Small seconds
1/8-seconds counter, 30-minutes counter, 12-hours counter
Date: hand, quickset feature
Hacking seconds
Stop mechanism: Cam switching
Complications: 12 hours counter, day: quickset feature, moon phase: quickset feature


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

Production period: