HAOFA Sapphire Middle Case Double Barrel Tourbillon Watch 1945

Movement: Flying Tourbillon
Movement Model: CAL.3H62
Middle case: Sapphire
Drive: Double Mainspring Drive
Power Storage: 60H
Vibration Frequency: 28800 (times/hour
Winding Method: Manual Winding
Case Diameter: 41mm
Case Thickness: 12.5mm
Strap Width: 22mm
Waterproof: 50M