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Longines Calibre 13ZN Movement Specifications, Beat Rate & Dimensions |
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Technical Caliber Datasheet
| Manufacturer | Longines |
| Caliber Reference | Calibre 13ZN |
| Movement Type | Flyback Chronograph |
| Diameter (Lignes) | 13''' |
| Diameter (mm) | 29.8 |
| Movement Thickness | 6.05 |
| Jewel Count | 17 Jewels |
| Vibrations Per Hour | 18,000 BPH (2.5 Hz) |
| Balance Lift Angle | 50° |
| Power Reserve | 42 hours |
| Escapement Type | Flyback column wheel |
| Shock Protection System | High grade chatons |
| Production Era | 1936-1951 |
| Wristwatch Conversion Rating | Legendary collector flyback icon |
Historical & Mechanical Notes
The Longines Calibre 13ZN 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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