TUDOR watch. Black Bay 41mm. Steel case with polished and satin finish. Domed sapphire crystal. 41mm case. Black dial with grey index, domed. Blue fabric strap with buckle. Steel unidirectional rotatable bezel with disc in matt blue anodised aluminium. Manufacture Calibre MT5602 (COSC) Self-winding mechanical movement with bidirectional rotor system. Approximately 70 hour power reserve. Waterproof to 200M.