TUDOR watch. Black Bay. Steel case with polished and satin finish. Rivet steel bracelet with folding buckle and safety clasp. Domed sapphire crystal. 41mm case. Steel unidirectional rotatable bezel with disc in matt blue anodised aluminium. Black dial with grey index, domed. Manufacture Calibre MT5602 (COSC) Self-winding mechanical movement with bidirectional rotor system. Screw-down winding crown. Waterproof to 200M.