Rolex GMT-Master II m126719blro-0003 | Siam Swiss
Rolex GMT-Master II m126719blro-0003 | Siam Swiss

Oyster Perpetual GMT-Master II

The cosmopolitan watch

FLAGSHIP | 3 Jan 2023

The Oyster Perpetual GMT-Master II is designed to display the time in two different time zones simultaneously. Robust and functional, it is the ideal watch for criss-crossing the globe.

The Cosmopolitan Watch | Siam Swiss Official Rolex Retailer
The Cosmopolitan Watch | Siam Swiss Official Rolex Retailer

Launched in 1955, the GMT-Master witnessed the rapid expansion of intercontinental travel in the latter half of the 20th century. It even became the official watch of Pan American World Airways, the most prominent American international airline at the time. The GMT-Master, a true “tool watch”, evolved continually, to offer increasing technical performance. In 1982, Rolex introduced a new movement that allowed the hour hand to be set independently of the other hands. To clearly mark this evolution, the model fitted with the optimized movement was named the GMT-Master II.

Rolex GMT-Master II | Siam Swiss
Rolex GMT-Master II | Siam Swiss

One instrument, several time zones

The GMT-Master II has an instantly recognizable design with a graduated bezel insert, which is available in various dual-colour combinations – the lower half symbolizing daytime and the upper signalling night-time.

Rolex GMT-Master II m126711chnr-0002| Siam Swiss
Rolex GMT-Master II m126711chnr-0002| Siam Swiss

With traditional hour, minute and seconds hands, its triangle-tipped 24-hour hand and bidirectional rotatable bezel with a 24-hour graduated Cerachrom insert, the GMT-Master II can display the time in two time zones simultaneously: either the local time and the reference time, or the local time and that of an alternative time zone.

Rolex GMT-Master II m126720vtnr-0001 | Siam Swiss
Rolex GMT-Master II m126720vtnr-0001 | Siam Swiss

The latest GMT-Master II is equipped with calibre 3285, a self-winding mechanical movement entirely developed and manufactured by Rolex. A consummate demonstration of technology, it offers outstanding performance in terms of precision, power reserve, resistance to shocks, convenience and reliability. It is fitted with the exclusive blue Parachrom hairspring and also incorporates the patented Chronergy escapement. The movement’s power reserve extends to approximately 70 hours.

Calibre 3285 on Rolex GMT-Master II | Siam Swiss - Official Rolex Retailers
Calibre 3285 on Rolex GMT-Master II | Siam Swiss - Official Rolex Retailers

High-technology ceramic

The Cerachrom bezel insert is manufactured in a single piece by Rolex from extremely hard ceramic. This high-tech material is virtually scratchproof and keeps its vibrant colours over time.

Rolex broke new ground in 2013 when it introduced its first two-colour, single-piece ceramic bezel insert – blue on one half and black on the other.  One year later, the brand released the two-colour Cerachrom insert in red and blue – the GMT-Master’s original colours. It carried out pioneering research to develop a red ceramic corresponding to its aesthetic and quality criteria.

Rolex GMT-Master II m126710blro-0001 | Siam Swiss
Rolex GMT-Master II m126710blro-0001 | Siam Swiss
Rolex GMT-Master II m126720vtnr-0001 | Siam Swiss
Rolex GMT-Master II m126720vtnr-0001 | Siam Swiss

In 2022, Rolex unveiled a novel version of the GMT-Master II. On this watch, the crown and crown guard are on the left side of the case. The date aperture and the Cyclops lens have also moved and appear at 9 o’clock. Made from Oystersteel, this watch features a two-colour monobloc Cerachrom bezel insert in green and black ceramic – a colour pairing never before seen on the model.

Superlative chronometer certification

Like all Rolex watches, the GMT-Master II is covered by the Superlative Chronometer certification. This designation testifies that every watch leaving the brand’s workshops has successfully undergone a series of tests conducted by Rolex in its own laboratories, according to its own criteria. The Superlative Chronometer status is symbolized by the green seal that comes with every Rolex watch and is coupled with an international five-year guarantee.

Rolex GMT-Master II | Siam Swiss
Rolex GMT-Master II | Siam Swiss

Experience the GMT-MASTER II at Siam Swiss

Siam Swiss is synonymous with horological prestige and excellence. With over 70 years of experience, our impeccable world-class service and customer-first ethos have earned Siam Swiss the reputation as one of Thailand most trusted and eminent watch retailers.

Siam Swiss is part of the global network of Official Rolex Retailers, authorised to sell and maintain Rolex watches. Visit our Siam Swiss Rolex boutiques at Siam Square, Central Bangna and Silom to discover the latest GMT-Master II models today. Alternatively, you may reach out to us via the ‘Contact Us’ button below.

Siam Swiss | Official Rolex Retailer
Siam Swiss | Official Rolex Retailer
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