ROLEX, GMT-Master II. Round men's watch with dual time zone. Reference 16710. circa 2006. Steel case signed and numbered Z484470, two-tone bezel. Black dial with luminescent hour-markers and hands, date window at 3 o'clock. Self-winding mechanical movement signed. Caliber 3185. Diameter: approx. 40 mm. Steel Oyster bracelet with folding clasp, signed. Size: approximately 16 cm. No case or papers.