Stainless Steel, black rubber strap with deployant clasp, black ceramic unidirectional rotating divers' bezel, black dial with orange / luminous markers, automatic Chronometer (Cal. 8500), date, Co-Axial escapement, screw-down crown, display back, helium escape valve, Si14 silicon balance spring, Ref. 232.32.42.21.01.005, 42mm, Mint (no box or papers)