34 mm steel case with polished and satin finish Notched bezel in 316L steel, alternating cut grooves and polished finish Self-winding mechanical movement, Calibre T601 Blue, sunray-finish, with diamonds dial Steel screw-down winding crown with the TUDOR logo Sapphire crystal Integrated bracelet in 316L steel, 5 rows, satin-brushed external and central links, polished intermediate links, with folding clasp and safety catch