Rolex, Oyster Perpetual GMT-Master, ref. 16750, a stainless steel bracelet watch, no. 8901043, circa 1986, automatic movement, 27 jewels, cal. 3075, adjusted to 5 positions and temperature, black dial, applied dot and baton markers, pointed baton minute and Mercedes hour hands, centre seconds and dual time zone hands, date aperture at 3 o'clock, rotating bezel with black insert, 24 hour track, screw down crown, screw down case back, on a Rolex Oyster stainless steel bracelet with fold over clasp, case back, dial, movement, crown and clasp signed, accompanied by a Rolex box and outer card packaging, diameter 39mm, bracelet 18cm The ref. 16750 followed the long serving 1675 in 1980. It came with the upgraded movement calibre 3075 and a quick-set date function.