Full Set | European Rolex Warranty Card ( LC130 - Belgium ) The Rolex GMT was originally designed in collaboration with Pan American Airways and issued to their crews on long-haul flights. The dual time zone can track local and home time, which is a useful tool for pilots and those who are traveling a lot across different time zones.The reference 126710 is the second generation of the GMT-Master II with a Ceramic Bezel. The material to make this bezel is called 'Cerachrom', which was developed completely in-house by Rolex to be highly scratch-resistant.This GMT is equipped with the Red and Blue Bezel, which can be derived from the reference 126710BLRO, Lunette Blue Rouge.This GMT-Master is made of stainless steel and is fitted with a Jubilee bracelet, which is equipped with the Easylink. This extension, allows the wearer to either extend or shorten the bracelet by 5 millimeters, improving the wearability and usability of the watch.This Rolex GMT-Master II is in Mint condition and comes with the original Rolex Warranty Card and Box. Furthermore, the watch has been serviced by our watchmaker and therefore comes with one year Steiner Warranty. Click here to translate this description