TECHNICAL DATABrand: HamiltonFamily: Jazzmaster Open HeartReference: H32705521Name: Hamilton Men’s H32705521 Jazzmaster Open Heart AutoCASEMaterial: SteelGlass: Sapphire GlassDiameter: 42 X 42Case Thickness: 0Water Resistance: 5 ATMDIALColor: ChampagneDial Markers: Arabic numeralsBezel: Stainless SteelMOVEMENTType: AutomaticCalieber: H-10Base Caliber: ETA C07.111Jewels: 25Reserve: 80BANDMaterial: LeatherColor: BrownWidth: 22Clasp: BuckleOTHER FUNCTIONSDisplay back,Luminescent Hands,Luminous indexes ,