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Keeping Pace
with Changing Times

Style of the GMT-Master II

Although the GMT-Master was designed essentially for professional use, its combination of peerless functionality and rugged good looks has attracted a wider travelling public. As well as appreciating its ability to display different time zones, these travellers admire the robustness and versatile appearance that make the GMT‑Master eminently suitable for globetrotting and, indeed, for any occasion.

24-Hour Display
and Independent Hour Hand

Function of the GMT-Master II

24-Hour
Rotatable Bezel

Function of the GMT-Master II

The bezel is the traveller’s faithful companion through time. Rolex developed a new rotation system that allows the bezel to be turned in either direction and locate with a positive click in each of the 24 hour positions, without any possibility of an intermediate stop or accidental changes.

The powerful spring mechanism allows crisp, precise movements, and works reliably over time. Apart from securely indicating home or reference time, the bezel can also be rotated to read a third time zone using the 24‑hour hand.

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Second Timezone

Second Timezone

Function of the GMT-Master II

The GMT-Master II evokes intercontinental travel across time zones. Greenwich Mean Time (GMT) marks mean solar time at the Royal Observatory in Greenwich, London – the location of the original meridian used for calculating longitude and determining different time zones around the world. A second time zone can be set swiftly and read at a glance on a GMT-Master II.

The product
of the Jet Age

Spirit of the GMT-Master II

As intercontinental travel developed in the 1950s with the advent of the jet age, airliners began to fly swiftly across several successive time zones, obliging pilots to keep an eye on the time in various places in the world simultaneously (such as the airport of departure and arrival, or local time and GMT reference time).

The GMT-Master was developed to meet their needs, at the height of the golden age of air travel. It became the official watch of several intercontinental airlines, notably the famous Pan American World Airways, better known as Pan Am.

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Supersonic luxury

Supersonic luxury

Spirit of the GMT-Master II

When Concorde performed its final test flights in the 1960s, Rolex proudly announced that both the British and French test pilots (Brian Trubshaw and André Turcat) wore GMT-Masters. In an era of supersonic flight, the GMT-Master had become invaluable.

Cerachrom Bezel

Features

Manufactured by Rolex from an extremely hard ceramic material since 2005, the exclusive Cerachrom bezel insert and monobloc bezel have excellent anti-corrosion properties and keep their vibrant colours over time. They are virtually scratchproof, and are unaffected by exposure to sunlight as well as to chlorinated or sea water.

To inscribe the numerals and graduations on such a hard material, Rolex developed a unique process which culminates in their being coated with a thin layer of yellow gold or platinum. It takes 40 hours to produce each Cerachrom bezel. At Rolex, no measure is too extreme in the pursuit of beauty and function.

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The Parachrom Hairspring

Features

The Parachrom Hairspring

Easylink

Features

An increase in temperature, altitude or physical activity may cause your wrists to expand and can even make wearing a watch uncomfortable. This is why Rolex invented and patented Easylink, an extension system that lets the wearer increase the bracelet length by about 5 mm to regain maximum comfort. Perfectly integrated into the watch's design and hidden beneath the clasp, the Easylink system’s opening and closing mechanism is tested thousands of times in the most extreme conditions to guarantee reliability.

Oyster Bracelet

Features

Oyster Bracelet

The Oyster bracelet is a perfect alchemy of form and function, aesthetics and technology. First introduced in the late 1930s, this particularly robust and comfortable metal bracelet with its broad, flat three-piece links remains the most universal bracelet in the Oyster collection.

Triplock
Winding Crown

Features

The Triplock winding crown is a patented triple waterproofness system designed especially for divers’ watches. Developed by Rolex, it resists water pressure to depths of 300 metres (1,000 feet) on the Submariner models and some other Professional models, and 3,900 metres (12,800 feet) on the Rolex Deepsea.

First introduced in 1970, the Triplock system consists of 10 different elements crafted from the most reliable materials. The winding crown screws down against the Oyster case as tightly and hermetically as a submarine’s hatch.

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3186 Movement

3186 Movement

Features

Would you like to know more about COSC?

Certified Swiss Chronometer

Features

The four simple words Superlative Chronometer Officially Certified on a Rolex watch dial mean that the very movement inside the timepiece has endured 15 days and nights of testing by COSC (Contrôle Officiel Suisse des Chronomètres – Swiss Official Chronometer Testing Institute), an independent not-for-profit association. To receive COSC certification as a Swiss chronometer, a watch must demonstrate extreme precision in a variety of positions and temperatures. Rolex is unique in the industry: this is the standard level of quality required of every Rolex wristwatch movement.

E-Brochure

The GMT-Master II

Consult detailed product information about this model anytime, anywhere, by downloading the e-Brochure to your personal computer or tablet device.