*Unpolished* 1981 Rolex GMT-Master (Ref. 16758) 18K YG,Rolex GMT-Master II 16718 | Ref. 16718 Watches on Chrono24,rolex GMT Master II 16713 L number TO115198,rolex GMT Master II 16713 L number TO115198 | eBay,rolex GMT Master II 16713 L number TO115198 | eBay