Rolex GMT Master II Stainless Steel "Rootbeer" with Brown/Black Bezel. This watch is dated 2020 MENs / unisex watch steel and rose gold bracelet steel and rose gold case steel and rose gold buckle The GMT-Master II is another of Rolex sports watches. It houses calibre 3285, a movement that allows travellers to easily adjust their local time via the winding crown, without stopping the watch or affecting the 24-hour hand. The Rolex GMT Master and Rolex GMT Master II is one of the most recognisable and desirable watches in the world. The Rolex GMT Master was released by Rolex in 1954 with the reference 6542 featured a luminous bakelite bezel insert and powered by the calibre 1036 automatic movement with GMT complication. The red/blue bakelite bezel was quickly replaced as it was easily cracked and in 1956 a metal bezel was introduced. The Rolex GMT Master evolved over the years to include the 1675, 16750, 16760, 16700, 16710 GMT Master II and 116710. The current versions of the Rolex GMT Master II include the 126710 BLRO Pepsi and 126710 BLNR 'Batgirl' - both of which are now only available on Jubilee bracelets. Model Number 126711CHNR Year 2020 Condition Very Good Box Yes Papers Yes