Description: Rolex GMT-Master II ref 16718 Pre-owned Rolex GMT-Master II ref 16718 (1991) was the last all-gold Rolex GMT to feature an aluminum bezel before it was discontinued and replaced by the first generation of ceramic bezel GMTs. This fact alone makes it a very prized collector’s item among watch enthusiasts. The 1671X enjoyed a long production run spanning the late 1980s into the mid-2000s. During that time, Rolex used different types of luminescent