18k Gold & Stainless Steel, Jubilee bracelet, brown and gold bidirectional rotating GMT bezel, brown 'nipple' tritium dial, automatic Chronometer (Cal. 3075), date, fixed GMT hand, screw-down crown, plastic crystal, Ref. 16753, 7.6 mil serial, ca. 1983, 40mm, Mint in Box with Papers
Stainless Steel, Oyster bracelet, bidirectional rotating blue-red bezel, original black Mark IV tritium dial with luminova service hands, automatic Chronometer (Cal. 1570), date, GMT, screw-down crown, plastic crystal, Ref. 1675, 5.1 mil serial, warranty dated July 1981, 40mm, Near Mint in Box with Papers