The Rolex GMT-Master II reference 126713GRNR-0001 is a 40 mm automatic mechanical watch, featuring a bi-metal construction of gold and steel. This timepiece suits daily wear or travel. Its robust design is appropriate for various settings, from professional engagements to casual outings. The bi-metal bracelet provides a distinct presence on the wrist. It functions as a precise instrument for tracking multiple time zones. Key details Brand: Rolex Model: GMT-Master II Reference: 126713GRNR-0001 Movement: Automatic Caliber 3285 Dial: Black Material: Gold/Steel