Question: what is the best used rolex to buy?
Answer: Rolex Yacht-Master 16622. Rolex first introduced the nautical-inspired Yacht-Master in the 1990s. ... 
Rolex Submariner 16610. Among Rolex's pantheon of hits, the Submariner still stands out as the greatest of all time. ... 
Rolex GMT-Master II 116710. ... 
Rolex Datejust 116234.