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Model number: 819.27.1963B
- Movement: ST1901 Top Grade
- Number of Jewels: 22
- Movement Frequency: 21600
- Winding Mode: Manual-winding mechanical movement
- Case Material: 316L Stainless Steel
- Crystal Material: Synthetic Sapphire
- Case Thickness: Approx. 14.35mm
- Case Diameter: Approx. 38mm
- Case Shape: Round
- Strap Material: Cowhide Leather/Canvas
- Strap Color: Black/Brown NATO
- Clasp: Pin Buckle
- Waterproof: 5 Bar
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Feature: Hours, minutes, small seconds at 9 o'clock
Flyback Chronograph Mechanism: central 60 seconds hand and 30 minutes counter at 3 o'clock.