Manual chronographIndustrial
72
Historic column-wheel chronograph used in numerous important vintage watches.
- Reserve
- 48 h
- Frequency
- 18,000 vph
- Jewels
- 17
Switzerland · Movement Manufacturer
Valjoux
Valjoux created some of the most influential chronograph movements, including the manually wound 72 and automatic 7750 families.
4 calibres1901 foundedChronograph architecture
Selected Milestones
1910s — Early column-wheel chronographs
1938 — Valjoux 72 family
1973 — Valjoux 7750
Modern era — ETA 7750 derivatives
Calibre Library
Valjoux movements
Manual chronographIndustrial
23
Two-register sibling of the Valjoux 72 family.
- Reserve
- 48 h
- Frequency
- 18,000 vph
- Jewels
- 17
Automatic chronographIndustrial
7750
One of the most successful automatic chronograph architectures.
- Reserve
- 48 h
- Frequency
- 28,800 vph
- Jewels
- 25
Manual chronographIndustrial
7733
Cam-operated hand-wound chronograph movement.
- Reserve
- 45 h
- Frequency
- 18,000 vph
- Jewels
- 17