steel, automatic, plastic glass, date, 24-h hand, Oyster bracelet (folded), folding clasp, manufactured the first quarter of 1968.
Caliber 1570, Movement nr D119406, Reference nr 1675, Serial nr 1.832.281, Case nr 1675 I.68, Bracelet reference nr 7836/380
Movement (7/10)
Dial and hands (6/10)
Case (7/10)
Original Bracelet (7/10)
Buckle (Folding clasp)
Certificate (No)
Box (No)
Overall Opinion (7/10)
Overhaul recommended, at buyer's expense
More information
The Rolex GMT Master was developed in cooperation with Pan Am. As in the 1940s and 50s flying distances got longer and the pilots travelled through multiple time zones, Pan Am asked Rolex in the 1950s to develop a watch which could tell different times simultaneously.
The watch was designed as an aviator watch and the newly introduced fourth hand allowed the display of an additional time, with the corresponding numbermarkings on the outer bezel. Pilots used the second time to display the Greenwich Mean Time (GMT), which led to the name Rolex GMT-Master.
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