| Brand: | Frédéric Piguet | 
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| Family: |
Unknown
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| Height: | 3.90 mm | ||
| Jewels: | 29 | ||
| Reserve: | 40 hours | ||
| Frequency: | 21600 A/h | ||
| Winding: | Automatic, Central Rotor Automatic Winding, Clockwise Automatic Winding, Uni-Directional Automatic Winding | ||
| Diameter: | 15.30 mm (6.75 ligne) | ||
| Complications: | |||
| Hands: | Central Hour Hand, Central Minute Hand | ||
| Distinguishing Technical Characteristics | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
 Central-Rotor Automatic  Clockwise Balance Cock |
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| Production: 1995 – | |||||||||||
| 1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
Cal. FP 615 is a compact and thin automatic movement. When it was released in 1995 it was one of the smallest movements on the market. It is closely related to the Cal. 610 hand winding movement.
As an ultra-thin movement it uses a flat hairspring. The uni-directional automatic winding runs clockwise.