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Rolex 645 Movement Specifications, Beat Rate & Dimensions |
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Technical Caliber Datasheet
| Manufacturer | Rolex |
| Caliber Reference | Rolex 645 |
| Movement Type | Automatic |
| Diameter (Lignes) | — |
| Diameter (mm) | 26.35 mm |
| Height / Thickness | 7.4 mm |
| Jewel Count | 17 Jewels |
| Beat Rate / Frequency | 18,000 BPH |
| Lift Angle | 315° |
| Power Reserve | 38 hours |
| Escapement | Swiss Lever |
| Production Period | 1950 |
Historical & Mechanical Notes
The Rolex 645 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 Rolex Forums technical reference.
Restoration enquiries:
Other Rolex Movements
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