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Universal Genève Universal 231 Movement Specifications, Beat Rate & Dimensions |
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Technical Caliber Datasheet
| Manufacturer | Universal Genève |
| Caliber Reference | Universal 231 |
| Movement Type | Manual |
| Diameter (Lignes) | — |
| Diameter (mm) | 18.5 mm |
| Height / Thickness | 4.8 mm |
| Jewel Count | 17 Jewels |
| Beat Rate / Frequency | 18,000 BPH |
| Lift Angle | 51° |
| Power Reserve | 38 hours |
| Escapement | Swiss Lever |
| Production Period | 1950 |
Historical & Mechanical Notes
The Universal Genève Universal 231 is a celebrated example of vintage precision engineering. Featuring 17 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 PuristsPro horological discussions.
Restoration enquiries:
Other Universal Genève Movements
Universal 01Universal 03Universal 08Universal 106Universal 129Universal 138Universal 139Universal 215
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