Frederique Constant Swiss-made timepieces embody the rich heritage of Genevan watchmaking, combining cutting edge technology with exceptional design to create hand-made watches that offer luxury horology at accessible prices. This Classics Heartbeat mens automatic watch features a black calf leather strap, a 40mm round polished stainless steel case, silver dial with guilloche detail and roman numeral indexes. See-through case back. Automatic Movement, FC- 310 caliber, 38-hour power reserve, 26 Jewels, 28'800 Alt/h. Ref: FC-310MS5B6 Product InformationBrand: Frederique Constant Movement: AutomaticCase Material: Stainless SteelCase Size: 40mmType of Strap: Black LeatherGlass Material: Convex Sapphire CrystalDial: SilverWater Resistant: 50mGender: Mens