Movement: Automatic mechanical chronograph
Movement model: CAL.021.10 Automatic Movement
Model : 1600
Drive: single-spring drive
Power reserve: About 48 hours
Waterproof : 50M life waterproof
Mirror : Synthetic Sapphire Mirror
Style : Pilot Watch , Sport Watch , Fashion Business Watch
Model 1901 Features：
- Carbon Fiber Bezel
- Super Luminous
- 50 Hours Power
- Titanium-magnesium Alloy Material Case
- Curve Sapphire
