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Brand: | Valjoux | 
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|---|---|---|---|
| Family: | |||
| Height: | 5.82 mm | ||
| Jewels: | 17 | ||
| Reserve: | 48 hours | ||
| Frequency: | 21600 A/h | ||
| Winding: | Hand winding | ||
| Diameter: | 29.5 mm (13 ligne) | ||
| Complications: | 2-Button, 9-Column Chronograph, Chronograph, Column Wheel Chronograph | ||
| Hands: | 30 Minute Chronograph Hand at 3:00, Central 60 Second Chronograph Hand, Central Hour Hand, Central Minute Hand, Small Seconds Hand at 9:00 | ||
| Distinguishing Technical Characteristics | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
 Hand-Winding  Clockwise Balance Cock  9-Column Chronograph |
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| Production: 1974 – 1979 | |||||||||||
| 1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
The Valjoux 236 is a celebrated hand-winding chronograph movement produced from 1974. A higher-beat replacement for the venerable Valjoux 23, it operates at 21,600 A/h rather than 18,000 A/h. The Valjoux 236 was introduced in 1974 and produced through the 1970s.
The Valjoux 236 and 726 are almost identical except that the latter adds a 12 hour counter at 6:00 on the dial.
- Central hours and minute hands and chronograph seconds
- 30 minute counter at 3:00
- Running small seconds at 9:00
The Valjoux 236 was used by many brands, notably including Girard-Perregaux, Tissot, and Vulcain.
Valjoux 72 Family Movements
| 18,000 A/h No Chronograph | 18,000 A/h No Hour Counter | 18,000 A/h Hour Counter | 21,600 A/h No Hour Counter | 21,600 A/h Hour Counter | |
| Base | Valjoux 23 | Valjoux 72 Valjoux 722 | Valjoux 236 | Valjoux 726 Valjoux 727 | |
| Flyback | Valjoux 230 | Valjoux 720 | Valjoux 235 | Valjoux 725 | |
| Date | Valjoux 234 | ||||
| Triple Date | Valjoux 69 Valjoux 78 | Valjoux 23C | Valjoux 723 Valjoux 72C | Valjoux 730 | |
| Flyback and Date | Valjoux 237 | ||||
| 24 Hour Hand | Valjoux 724 | Valjoux 729 | |||
| Calendar and Moon Phase | Valjoux 89 Valjoux 90 | Valjoux 88 | Valjoux 886 | ||
| Tide Calculator | Valjoux 721 |
