Tudor Black Bay S&G, 41mm steel case with polished and satin finish, black, domed, unidirectional rotating bezel in steel covered by a 0.3mm 18 ct yellow gold cap mounted with a matt black aluminum disc, 60-minute graduated gold markings, manufacture calibre MT5612 (COSC) self-winding mechanical movement with bidirectional rotor system, yellow gold center links at 6 and 12 o’clock, remaining center links in steel covered by a 0.2mm 18 ct yellow gold cap, folding clasp and safety catch, domed sapphire crystal, waterproof to 200m (660 ft)