28 mm steel case with polished and satin finish. Notched bezel in 18 ct yellow gold, alternating cut grooves and polished finish. Self-winding mechanical movement, Calibre T201. Dial: Black, sunray-finish, with diamonds. Winding Crown: Yellow gold screw-down winding crown with the TUDOR logo. Sapphire crystal. Waterproof to 100 m (330 ft). Integrated bracelet in 316L steel and 18 ct yellow gold, 5 rows, satin-brushed external and central links, polished intermediate links, with folding clasp and safety catch