ORIGINAL Rolex GMT-Master II Ref. 16710 and Ref. Reference: 16700 and 16710. All versions of the now iconic Rolex GMT-Master II Ref. On the other hand, the Rolex GMT-Master Ref. The Rolex GMT-Master II 16710 was released by Rolex in 1989 and was initially on sale alongside the slightly cheaper Rolex GMT-Master (no GMT-Master II) Ref.
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