Rolex, GMT-Master Steel Wristwatch, Ref. 16700, circa 1989 Case: stainless steel, three body, unidirectional red and blue bezel, screw down case back, 40 mm, screw down crown, L299883 Dial: black, luminous indexes, white minute marks, date at three, luminous skeleton hand Movement: caliber 3175, rhodium finish, 31 jewels, adjusted 5 positions and temperature, monometallic balance, shock absorber Band: style 78360, deployant clasp with flip lock, 13 links Signed: Rolex on the case, dial, movement and clasp HID03101062020 © 2020 Heritage Auctions | All Rights Reserved