1977 / 1978
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Watches of Knightsbridge LTD
4.9 out of 5 stars | Reviews: 335
Detailed explanation of ratings
Released in 1954, the GMT-Master resulted from Pan Am and Rolex collaborating on a watch that could tell the time in two different places at once
With the further innovation and popularisation of commercial flying, the distances of flights became greater. This resulted in pilots crossing into different time zones more frequently. Thus, a need for uniformity across the industry was borne as potential issues could arise when communicating with ground teams in a different time zone to the pilots. To eliminate these errors, the aviation industry adopted a standard time-zone, Greenwich Mean Time. As such, the GMT-Master’s fourth hand, the 2nd-hour hand, was to stay on Greenwich Mean Time – which is where the name for the watch comes from.
Original matte black dial with luminous markers, Mercedes hands and GMT arrow hand. This dial type is referred to as a Mark 5 dial and is correct for the 5.2 million serial number of this watch. The dial is signed “Swiss- T<25” referring to the original tritium luminous used on the dial & hands. The dial has not been touched and remains in excellent original condition.
The GMT reference 1675 in stainless steel with rare black bezel that has faded to grey. The 5.2 million serial number in-between the lugs denotes the year of production to 1977 / 1978. The case is sharp having been professionally polished. The stunning grey 24 hour bezel insert is original. This reference features a plexiglass crystal with “Cyclops” magnifying the date display and a Rolex Twinlock screw down crown.
Rare original Rolex GMT Jubilee bracelet, reference 62510H with clasp code B and 550 end links. Bracelets can be resized on request.