TUDOR watch. Black Bay Fifty-Eight. Steel case with polished and satin finish. Blue, domed dial. Domed sapphire crystal. 39mm case. Unidirectional rotatable bezel in steel with 60-minute graduated disc in matt blue anodised aluminum and silver gilded markings and numerals. Blue fabric strap with buckle. Manufacture Calibre MT5402 (COSC) Self-winding mechanical movement with bidirectional rotor system. Waterproof to 200M.