HAOFA 1036Movement: Tourbillon Movement Movement model: CAL.008.10Driver:Single DriverPower storage: 42 HoursWatch Case Materical: 316L SteelWind : Hand windWatch band Materrical: Italy CalfskinJewel bearing: 19 PCSWaterproof : 30mWatch case diameter: 42mmMirror : Sapphire CrystalWatch case thickness: 13mmWatch back case: Sapphire CrystalWatch band width: 22mmWatch crown: Straight-in