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Blancpain 21 (Frederic Piguet 21) Movement Specifications, Beat Rate & Dimensions |
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Technical Caliber Datasheet
| Manufacturer | Blancpain |
| Caliber Reference | Blancpain 21 (Frederic Piguet 21) |
| Movement Type | Manual |
| Diameter (Lignes) | — |
| Diameter (mm) | 20.8 mm |
| Height / Thickness | 1.75 mm |
| Jewel Count | 18 Jewels |
| Beat Rate / Frequency | 18,000 BPH |
| Lift Angle | 51° |
| Power Reserve | 38 hours |
| Escapement | Swiss Lever |
| Production Period | 1925 |
Historical & Mechanical Notes
The Blancpain 21 (Frederic Piguet 21) is a celebrated example of vintage precision engineering. Featuring 18 jewels and operating at 18,000 BPH, surviving examples are prized by collectors and restorers.
Restoration enquiries:
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