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Brand: | Valjoux | 
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| Family: |
Unknown
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| Height: | 6.70 mm | ||
| Jewels: | |||
| Reserve: | hours | ||
| Frequency: | 18000 A/h | ||
| Winding: | Hand winding | ||
| Diameter: | 39.30 mm (17.67 ligne) | ||
| Complications: | 6-Column Chronograph, Chronograph, Column Wheel Chronograph, Monopusher Chronograph | ||
| Hands: | |||
| Production: 1945 – | |||||||||||
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| 1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
Valjoux Cal. 54 is a pocket watch column wheel chronograph movement. Introduced around 1945, it was produced at least through the 1940s. It featured a six-column wheel to control the chronograph function. The chronograph used a central seconds hand with a 30 minute counter. It was a single-pusher design.
Images are taken from official publications and are used here for commentary and educational purposes. Copyright is held by the original owner as noted.