Movement: Flying Tourbillon
Movement model: CAL.3H31
Power reserve: 42 (hours)
Vibration frequency: 28800 (times/hour)
Drive: Single spring
Winding method: Manual winding
Case diameter: 30-45mm
Case thickness: 13.9mm
Strap width: 20-26mm
Total length of the watch: 53mm
Strap material: Transparent tape
Water resistance: 20 meters
Waterproof mirror: Artificial sapphire mirror
Bottom: Steel bottom
Bezel: Crystal colorful stone bezel
Case: Transparent crystal glass case
Movement model: CAL.3H31
Power reserve: 42 (hours)
Vibration frequency: 28800 (times/hour)
Drive: Single spring
Winding method: Manual winding
Case diameter: 30-45mm
Case thickness: 13.9mm
Strap width: 20-26mm
Total length of the watch: 53mm
Strap material: Transparent tape
Water resistance: 20 meters
Waterproof mirror: Artificial sapphire mirror
Bottom: Steel bottom
Bezel: Crystal colorful stone bezel
Case: Transparent crystal glass case
Model 2102 Features：
- All K9 Crystal Case
- GMT Display
- Day And Night Display
- Sapphire Mirror