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Movement: Flying Tourbillon
Movement model: CAL.3H30
Power reserve: 42 (hours)
Vibration frequency: 28800 (times/hour)
Drive: Single spring
Winding method: Manual winding
Case diameter: 30-45mm
Case thickness: 12.9mm
Strap width: 20-26mm
Total length of the watch: 53mm
Strap material: Transparent tape
Water resistance: 30 meters
Bottom: Steel bottom
Bezel: Crystal colorful stone bezel
Case: Transparent crystal glass case
Movement model: CAL.3H30
Power reserve: 42 (hours)
Vibration frequency: 28800 (times/hour)
Drive: Single spring
Winding method: Manual winding
Case diameter: 30-45mm
Case thickness: 12.9mm
Strap width: 20-26mm
Total length of the watch: 53mm
Strap material: Transparent tape
Water resistance: 30 meters
Bottom: Steel bottom
Bezel: Crystal colorful stone bezel
Case: Transparent crystal glass case
Model 2231 Features：
- All K9 Crystal Case
- GMT Display
- Day And Night Display
