Buy › Rolex GMT-Master II Bi-Metal "Rootbeer" - 126711CHNR Rolex GMT-Master II Bi-Metal "Rootbeer" - 126711CHNR £0.00 The Oyster Perpetual GMT-Master II in Oystersteel and Everose gold with a black dial and an Oyster bracelet. The Oyster Perpetual GMT-Master II in Oystersteel and Everose gold with a black dial and an Oyster bracelet. Quantity: Enquire Now Added!