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Parex Cylinder Escapement Movement Specifications, Beat Rate & Dimensions |
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Technical Caliber Datasheet
| Manufacturer | Parex |
| Caliber Reference | Cylinder Escapement |
| Type | Cylinder Guilloche |
| Diameter (Lignes) | 11''' |
| Jewel Count | 10 Jewels |
| Oscillation Frequency | 18,000 BPH (2.5 Hz) |
| Lift Angle | 45° |
| Era | 1905-1920 |
| Power Reserve | 36 hours |
| Escapement Type | Safety pinion lever |
| Balance Wheel Construction | Expansion balance |
| Hairspring Specification | Breguet overcoil hairspring |
| Shock Protection System | Rigid balance jewels |
Historical & Mechanical Notes
The Parex Cylinder Escapement is revered among horologists for its mechanical architecture and precision timing characteristics. Operating with an oscillation rate of 18,000 BPH and a 51° lift angle, this movement exemplifies vintage fine watchmaking standards. Restored and wristwatch-converted examples of this caliber can be viewed at AntiqueWrist Studio.
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