- Dimension: 41 mm
- Scratch-Resistant Sapphire Crystal, With Several Layers Of Anti-Reflective Coating On Both Sides
- Screw-Down And Transparent With Sapphire Crystal Case Back
- Self-Winding Mechanical Movement Beating at 25'200 Vibrations Per Hour, With A Monocrystalline Silicon Balance-Spring Power Reserve Up To 72 Hours