Haofa 1939 Center Tourbillon

Product Specification

Movement Model: CAL.3960 Manual Tourbillon
Drive: Single-spring Drive
Vibration Frequency: 28800 (times/hour)
Winding Method: Manual Winding
Case Diameter: 42mm
Case Thickness: 12mm
Strap Width: 20.5mm
Movement Diameter: 33mm
Inner Lenght: 32mm
Case Material: 316L Stainless Steel
Strap Material: Crocodile Leather
Back Cover: Sapphire Glass