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Lemania Calibre 27 CH (CH27) Movement Specifications, Beat Rate & Dimensions |
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Technical Caliber Datasheet
| Manufacturer | Lemania |
| Caliber Reference | Calibre 27 CH (CH27) |
| Movement Type | Chronograph Base |
| Diameter (Lignes) | 12''' |
| Diameter (mm) | 27.0 |
| Movement Thickness | 5.55 |
| Jewel Count | 17 Jewels |
| Vibrations Per Hour | 18,000 BPH (2.5 Hz) |
| Balance Lift Angle | 50° |
| Power Reserve | 44 hours |
| Escapement Type | Column wheel chrono |
| Shock Protection System | Incabloc |
| Production Era | 1941-1970 |
| Wristwatch Conversion Rating | Base caliber for Omega 321 / Tissot |
Historical & Mechanical Notes
The Lemania Calibre 27 CH (CH27) is revered among horologists for its mechanical architecture and precision timing characteristics. Operating with an oscillation rate of 18,000 BPH and a 50° lift angle, this movement exemplifies vintage fine watchmaking standards.
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