Replica Rolex GMT Master Black 16700 Watches Brand Rolex Collection GMT Master Model 16700 Gender Mens Movement Automatic Case Size 40 MM Case Material 316 Grade Stainless Steel Bracelet Material 316 Grade Stainless Steel (Oyster) Dial Type Black The last of the original GMT Master series, the Ref. 16700 remains a prized collector’s item. Interestingly, it continued to be produced for many years alongside its predecessor, the GMT Master II, and remains a favorite among Rolex customers for its slightly more affordable price.