Rolex Pre-owned GMT Master Ref 16753 from around 1979, a two-tone stainless steel and 18K yellow gold GMT watch with a black dial. Condition: Good, but used; very good overall with slight signs of wear. Automatic Cal. 3075 movement performs at +4 seconds/day (286° amplitude); it features a date display and comes on a new brown leather wristband with a gold-plated pin buckle. Key attributes: Black | Brown | Gold | Stainless steel; 18K yellow gold; Leather | Automatic movement (Cal. 3075) | Accuracy: +4 s/day at 286° amplitude | Date display | New leather wristband with gold-plated pin buckle | Black dial with applied hour markers | 18K yellow gold bezel | Two-tone stainless steel and yellow gold case | Dimensions & fit: Classic case size | Composition & care: Stainless steel | 18K yellow gold | Leather | Wipe with a soft cloth. Avoid contact with water and chemicals. Service by a professional watchmaker.