This watch was previously sold by Andrew Shear, of Sheartime (you can see it in his archive
here).
The
GMT-Master was originally created for
Pan American World Airways (commonly known as ‘
Pan-Am’), who sought a highly-legible, accurate and functional wristwatch, to be used by pilots for long-haul flights. In the 1950’s and 60’s, especially in North America, there was a boom in both private and commercial aviation, as the development of civil aircraft continued to grow. With pilots flying longer and longer distances, the need for an intuitive timekeeping tool, capable of displaying multiple time zones, became a necessity.
In addition to the typical hour, minutes and seconds handset, the GMT complication was designed to allow for setting of a fourth hand, referred to as the ‘GMT’ hand, to the local time followed by adjustment of its rotatable 24-hour bezel, to a second time zone. This specific function is what made the
GMT-Master the go-to timepiece for commercial pilots, with the red
GMT-hand and luminous arrow tip providing excellent visibility in low light.
The name ‘GMT’ derives from this functionality and abbreviates 'Greenwich Mean Time' - the time at the
Royal Observatory in Greenwich, London. Also known as ‘Coordinated Universal Time’, it is the basis of the world-time clock and is universally used in aviation and weather forecasting, even today, against which all time zones across the world are referenced, as well as on the
International Space Station.
This
GMT-Master 1675, from 1967 (with serial number 133 XXXX), has its original glossy black dial in excellent condition, with gilt ’ROLEX’ and ‘OYSTER PERPETUAL - GMT-MASTER' text referenced on it. The tritium hour markers have aged to a warm patina, whilst the original GMT handset (with small GMT hand) displays a similarly aged tone. The watch also has an iconic, faded 'Pepsi' bezel and comes equipped with a stamped riveted
Rolex Oyster bracelet and clasp.
Inside the watch, it houses
Rolex’s calibre
1575 bi-directional, self-winding movement. The mechanism features a lever escapement, 26 jewels, mono-metallic balance and a
KIF shock-absorber, beating at a rate of 19,800 A/h, with a power-reserve of 42 hours. Interestingly, some
GMT-Master 167 examples display '1570' engraved on the bridge of the calibre. This is a reference to the base-calibre from which the 1575 is derived from (the ‘5’, indicating the inclusion of a date function).
As with any design, there is a sweet spot; this watch hits that perfectly. The glossy dial, plexi-glass and faded bezel gives this example a vintage feel which is so desirable in today’s demanding market place. With
Rolex’s long-anticipated, recent introduction of the steel 'Pepsi'
GMT-Master II, at
Baselworld 2018, the 1675's continued desirability is assured.
This watch is accompanied by its original
Rolex inner box, punched Chronometer Certificate, punched guarantee paper (dated 1967) and
Rolex Buenos Aires service papers, from 1991.
Viewings can be arranged in Central London by appointment.