Case material: Gold Steel; Charge: Automatic; Conditions: Used Year : 1991; Presentation condition : With dealer guarantee ; Model: GMT Master II Price on request Gmtbroker Reference: 16713 Manufacturer: Rolex Model Name/Number: GMT Master II - 16713 Serial/Year: X 1991 Condition: (What's This?) II Gender: Men's Movement / Features: Automatic 3185 movement w/ date, 31 jewels, Quickset, scratch resistant sapphire crystal, waterproof screw-down crown Case: Stainless steel w/ 18k yellow gold bezel (40mm) Dial: Black w/ Tritium hands and luminous hour markers Bracelet: Stainless steel and 18k yellow gold Oyster w/ Oysterlock clasp Box & Papers Rolex Box and Bob's Certificate of Authenticity, and warranty card Comments: This pre-owned Rolex GMT comes w/ Bob's  3-day satisfaction guarantee and one year warranty Pre-Owned Rolex GMT-Master II Ref 16713  Certified Authentic Click To Expand Certified Authentic Report Learn More *All Pre-Owned Rolex watches are guaranteed to be 100% genuine and certifed authentic. All watches are shipped to fit the average size wrist (7 1/4" - 7 1/2" for men and 6 1/4" - 6 1/2" for women). Additional links can be purchased if needed.