Stainless steel. Ref. 16710 T, case no. Z968060 with blue-red bezel and sapphire crystal. Dial imprinted GMT-Master and with a Roman II. Rolex automatic movement no. 3 1681029 with 2 time zones, cal. 3186. Oyster bracelet with flip-lock fold-over clasp, wrist size 19 cm. D 40 mm. This so-called "Pepsi / Columbine" GMT-Master features the cal. 3186 which was only used for a short time. In addition, the dial imprint shows: GMT-Master with a Roman II. With box, service warranty 2015, operating instructions, and Rolex seal.