Rolex, GMT-Master Ref. 16750, Oyster Perpetual Date, Stainless Steel, circa 1980 Case: 40 mm, stainless steel, three body, polished and brushed, screw down case back, 6274157 Dial: matte black, luminous indexes, luminous skeleton hands Movement: Rolex Cal. 3075, rhodium finish, 27 jewels, automatic, monometallic balance adjusted to five positions and temperature Band: stainless steel, 62510H, jubilee, deployant clasp, 7 5/8th inches Signed: Rolex on the case, dial, movement and clasp HID03101062020 © 2020 Heritage Auctions | All Rights Reserved