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Buser Frères Buser 140 Movement Specifications, Beat Rate & Dimensions |
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Technical Caliber Datasheet
| Manufacturer | Buser Frères |
| Caliber Reference | Buser 140 |
| Movement Type | Manual |
| Diameter (Lignes) | — |
| Diameter (mm) | 25.9 mm |
| Height / Thickness | 4.3 mm |
| Jewel Count | 21 Jewels |
| Beat Rate / Frequency | 18,000 BPH |
| Lift Angle | 51° |
| Power Reserve | 38 hours |
| Escapement | Swiss Lever |
| Production Period | 1945 |
Historical & Mechanical Notes
The Buser Frères Buser 140 is a celebrated example of vintage precision engineering. Featuring 21 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 Wikipedia: jewel bearings in watchmaking.
Restoration enquiries:
Other Buser Frères Movements
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