These 2 Tone Rolex GMT Master II watches are very worn usually so finding one with no signs of polish except the caseback is rare. This late 90's version also has the later clasp with gold-through-clasp. The watch is very clean overall with box and papers dating from 1999.
 
Details:
 
Brand: Rolex
Model: GMT Master II
Reference: 16713
Year: 1999
Material: Stainless Steel & 18k Gold
Dimensions:  40mm
Crystal:  Sapphire
Movement: Automatic 3185 Movement
Bracelet/Strap: Original Bracelet
Box/Papers: Yes/Yes