Beyond serial number ranges and original parts all checking out, a patina and overall attractiveness is everything we're looking for in a matte dialed GMT. While we love the dirty details of a dial type with the best of them, this example jumped off the desk for us because of its overall classic vintage look. 1675 many, many variants, check out t his website and, for broader GMT info, our Reference Points: Understanding The Rolex GMT-Master. The Rolex Coronet on the dial is bulkier and more proud than other matte dial GMTs. These Mark 2 matte dials are distinctive because of the bold and thick font. 1675 GMT dates back to circa 1973, and it features a beautiful matte dial with excellent lume patina. The red and blue bezel would come to be nicknamed the 'Pepsi' over the years by collectors but was designed to easily distinguish between day and night at a glance with vibrant colors that would stand out in a cockpit. 6542, in 1955 under a partnership with Pan-Am Airlines to supply their pilots with a watch that could easily display two time-zones at once. The Full StoryĪ tool watch for the commercial skies – Rolex introduced the first GMT-Master, the ref. Why This Watch Matters An extremely attractive GMT-Master with extra bold dial font and extra creamy lume patina.