Case Shape: RoundCase Thickness: 12mmBand Width: 20mmBand Material Type: LeatherModel Number: 3186Dial Window Material Type: Sapphire CrystalFeature: Shock Resistant,Luminous,Auto Date,Water ResistantDial Diameter: 40mmWater Resistance Depth: 5BarClasp Type: Bracelet ClaspBand Length: 24cmCase Material: Tungsten SteelStyle: LuxuryMovement: Mechanical Hand Wind,Automatic Self-WindBrand Name: OLEVSOrigin: Mainland ChinaItem Type: Mechanical Wristwatchesweight: 94g OUPINKE Men Watches Luxury Business Automatic Mechanical Wristwatch Waterproof