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Lemania Calibre 15TL Movement Specifications, Beat Rate & Dimensions |
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Technical Caliber Datasheet
| Manufacturer | Lemania |
| Caliber Reference | Calibre 15TL |
| Movement Type | Military Chronograph |
| Diameter (Lignes) | 15''' |
| Diameter (mm) | 33.3 |
| Movement Thickness | 6.2 |
| Jewel Count | 17 Jewels |
| Vibrations Per Hour | 18,000 BPH (2.5 Hz) |
| Balance Lift Angle | 50° |
| Power Reserve | 40 hours |
| Escapement Type | Large column wheel |
| Shock Protection System | Fixed jewels |
| Production Era | 1938-1955 |
| Wristwatch Conversion Rating | WW2 Luftwaffe & Royal Navy issue |
Historical & Mechanical Notes
The Lemania Calibre 15TL 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. Restored and wristwatch-converted examples of this caliber can be viewed at Commission a Bespoke Case at AntiqueWrist Studio.
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