Haofa 1901-1S Crystal Bezel Tourbillon

Product Specification

Movement: E.3H41 Automatic Tourbillon
Vibration Frequency: 28800 (times/hour)
Drive: Double Spring Drive
Winding Method: Self Winding
Gem Bearings: 35
Case Material: Titanium-magnesium Alloy
Strap Material: Silicone Rubber
Water Resistance: 50M
Back Cover: Sapphire Glass
Case Diameter: 42mm x 50mm
Case Thickness: 14mm
Strap Width: 25mm x 28mm
Movement Diameter: 29mm x 32mm
Inner Lenght: 31mm x 35mm
Bezel Material Crystal