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You are here: Home / Movements / Valjoux 7740

Valjoux 7740

Last Update: December 10, 2019

Brand:Valjoux
Family:
Unknown
Height:7.70 mm
Jewels:
Reserve: hours
Frequency:28,800 A/h
Winding:Hand winding
Diameter:31.00 mm (14 ligne)
  Complications:2-Button, Cam Switching Chronograph, Chronograph, Date, Hand Winding, Quick Date Correction
Hands:12 Hour Chronograph Hand at 9:00, 30 Minute Chronograph Hand at 3:00, Central 60 Second Chronograph Hand, Central Hour Hand, Central Minute Hand, Date Window at 4:30, Small Seconds Hand at 6:00
Distinguishing Technical Characteristics
Hand-Winding
Clockwise Balance Cock
Production:  – 
1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s

Cal. 7740 is a cam-operated chronograph movement with 30 minute and 12 hour counters and date. The similar Cal. 7741 adds a central 24 hour (GMT) hand.

Images are taken from official publications and are used here for commentary and educational purposes. Copyright is held by the original owner as noted.

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