The bidirectional rotatable bezel of this Rolex GMT Master II watch is the major definitive aspect. It has a two-color black and brown Cerachrom insert with 24-hour rose gold calibration. On its two-tone structure, Rolex GMT Master II 126711CHNR-0002 has a 40mm Oystersteel and Rose gold case and bracelet with folding Oysterlock safety clasp and 5mm Easylink comfort extension. Reference 126711CHNR-0002 has an ebony black dial with a luminous maxi hands and stick/ dots indexes. The especial pink Rolesor GMT Master II houses a 31-jewel caliber 3285 self-winding movement which can reserve power for up to 70 hours, whilst functioning at a rate of 28800 bph.