ROLEX GMT MASTER REF. 6542 STAINLESS STEEL WRISTWATCH, 1959 ROLEX GMT MASTER REF. 6542 YEAR 1959 stainless steel case, screw-down case back, crown marked, bakelite bezel not contemporary (defects), black gloss dial, white graphics, tritium indexes, self-winding movement cal 1066 n. DN891987, oyster bracelet with riveted and folded links ref. 7206 final 75, inner length 18 cm, box clasp marked Rolex, plastic crystal. Diam. 38 mm. Complete with unmarked guarantee and box. Serial number difficult to read, lugs and circumference of inner case bearing strong pitting marks.