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Brand: | Vaucher Manufacture | 
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|---|---|---|---|
| Family: |
Unknown
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| Height: | 4.20 mm | ||
| Jewels: | 29 | ||
| Reserve: | 48 hours | ||
| Frequency: | 21,600 A/h | ||
| Winding: | Automatic, Counter-Clockwise Automatic Winding, Micro-Rotor Automatic Winding | ||
| Diameter: | 30.00 mm (13.25 ligne) | ||
| © Vaucher Manufacture Fleurier | Complications: | Leap Year, Moon Phase, Perpetual Calendar | |
| Hands: | Central Hour Hand, Central Minute Hand, Date Pointer at 3:00, Day Pointer at 9:00, Leap Year Window at 12:00, Month Pointer at 12:00, Moon Phase Wheel at 6:00 | ||
| Distinguishing Technical Characteristics | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
 Micro-Rotor Automatic  Clockwise Balance Cock  Variable-Inertia Balance |
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| Production: – Current | |||||||||||
| 1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
Cal. VMF 5401/50 is a thin micro-rotor automatic movement with a perpetual calendar and moon phase module. It uses the Cal. VMF 5401 base.
- Date by pointer at 3:00
- Moon phase window at 6:00
- Day by pointer at 9:00
- Month by pointer and leap year indicator at 12:00