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Angelus 251 Movement Specifications, Beat Rate & Dimensions |
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Technical Caliber Datasheet
| Manufacturer | Angelus |
| Caliber Reference | Angelus 251 |
| Movement Type | Manual |
| Diameter (Lignes) | — |
| Diameter (mm) | 27.1 mm |
| Height / Thickness | 4.7 mm |
| Jewel Count | 16 Jewels |
| Beat Rate / Frequency | 18,000 BPH |
| Lift Angle | 51° |
| Power Reserve | 38 hours |
| Escapement | Swiss Lever |
| Production Period | 1955 |
Historical & Mechanical Notes
The Angelus 251 is a celebrated example of vintage precision engineering. Featuring 16 jewels and operating at 18,000 BPH, surviving examples are prized by collectors and restorers. For further technical reference on vintage watch movements, consult the Ranfft Watch Movement Archive.
Restoration enquiries:
Other Angelus Movements
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