In the 1954 Basel World, no matter it was for the rolex watch company or the world watch altar, it was worthy memorizing. This year, rolex company on the Basel World showed the Explorer watch which was specially designed for the sporty man, and the Submariner which was specially designed for diver and the Turn – 0 – Graph for general consumers, turning the concept of the Utility Watch into the real concrete image, and revolutionizing the coquettish trends of the whole watch industry. This achievement was Joint efforts of the results of the rolex all staffs, but the rolex’s public relations director Rene-Paul Jeanneret, who itself was a number of sports enthusiasts actually also contributed a lot on the concept of molding and shaping. It is also due to the rolex’s design and producing on Utility Watch lead the world, that attracted the world’s largest airline Pan Am Pan – Am company’s strong interest, and they hoped Rolex can specially design a practical watch for pilots to move between each time zones. After Pan Am and Rene – Paul Jeanneret approached, two companies cooperated together to make the success of the famous Rolex GMT-Master.
Pan Am has dispatched the world famous air combat hero captain Frederick Libby to provide technical advice, while Jeanneret conceived that on the watch circle added a rotating twenty-four hours bezel, and added a pointer on the face plate to indicate the idea of the time of the second timezone.
The first GMT-Master watch of the Ref.6542 is a rolex watch that is matching with the date window Cyclops. In 1956, the second time zone outer ring of the Rolex GMT – Master changed the plastic material into the metal material that has been using until today. GMT – Master is officially designated of Pan Am flight plan, the company allocated a GMT – Master for each top executives, pilots and navigators.