TUDOR watch. Black Bay Fifth-Eight. Steel case with polished and satin finish. Domed sapphire crystal. 39mm case. Blue dial, domed. Unidirectional rotatable bezel in steel with 60-minute graduated disc in matt blue anodised aluminium and silver gilded markings and numerals. Blue “soft touch” with folding buckle and safety clasp. Manufacture Calibre MT5402 (COSC) Self-winding mechanical movement with bidirectional rotor system. Approximately 70 hour power reserve. Waterproof to 200M.