Presented at Baselworld 2019, new Rolex GMT-Master II Ref. 126719BLRO in 18 ct white gold is fitted with two-colour Cerachrom inserts in a blue and red ceramic, with new-generation calibre 3285 and Oyster bracelet.
Rolex GMT-Master II Ref. 126719BLRO
Unveiled in 2019 at Baselworld, the largest watch fair, new Rolex GMT-Master II Ref. 126719BLRO was introduced with blue and meteorite dial. Made in 18 ct white gold with bezel which is fitted with two-colour Cerachrom inserts in a blue and red ceramic, the original colours of the first GMT-Master. This new version is equipped with the new-generation calibre 3285, at the forefront of watchmaking technology. With 10 patent applications filed over the course of its development, the movement is equipped with a Chronergy escapement and guarantees a power reserve of approximately 70 hours.
Rolex GMT-Master II
The Rolex GMT-Master was originally designed for professional use to aid airline pilots. However, its combination of peerless functionality and instantly recognizable aesthetics has attracted a wider audience of world travellers. Designed to show the time in two different time zones simultaneously during intercontinental flights, the GMT‑Master has come to be recognized for its robustness and versatile appearance. 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.
18 ct white gold
By operating its own exclusive foundry, Rolex has the unrivalled ability to cast the highest quality 18 ct gold alloys. According to the proportion of silver, copper, platinum or palladium added, different types of 18 ct gold are obtained: yellow, pink or white. They are made with only the purest metals and meticulously inspected in an in-house laboratory with state-of-the-art equipment, before the gold is formed and shaped with the same painstaking attention to quality. Rolex’s commitment to excellence begins at the source.
For the first time, a meteorite dial has been fitted on the 18ct white gold GMT-Master II. Each dial is made from an extremely rare slice of iron meteorite that travelled hundreds of millions of kilometres across the solar system to reach our planet. During the course of its epic journey, the metals at the centre of the meteorite very gradually crystallize, producing highly unusual extra-terrestrial metallic patterns, which are impossible to recreate on Earth. These natural patterns mean that each Rolex meteorite dial is unique.
The Oyster bracelet
The Oyster bracelet is a perfect alchemy of form and function, aesthetics and technology, designed to be both robust and comfortable. It is equipped with an Oysterlock folding clasp, which prevents accidental opening and the Easylink comfort extension link, also exclusive to Rolex. This ingenious system allows the wearer to increase the bracelet length by approximately 5 mm, providing additional comfort in any circumstance.
New Rolex GMT-Master II Ref. 126719BLRO is fitted with the new calibre 3285, a new-generation movement entirely developed and manufactured by Rolex. With 10 patent applications filed over the course of its development, this movement features a Chronergy escapement and a guaranteed power reserve of approximately 70 hours. Like all Rolex Perpetual movements, the 3285 is a certified Swiss chronometer, a designation reserved for high-precision watches that have successfully passed the Swiss Official Chronometer Testing Institute (COSC) tests. The 3285 is equipped with a Parachrom hairspring, offering greater resistance to shocks and to temperature variations. Its architecture, in common with all Oyster watch movements, makes it singularly reliable.
Calibre 3285 is equipped with a self-winding module via a Perpetual rotor. Thanks to its new barrel architecture and the escapement’s superior efficiency, the power reserve of calibre 3285 extends to approximately 70 hours.
A 24-hour rotatable bezel
In addition to conventional hour, minute and seconds hands, the GMT-Master II features an arrow-tipped hand, which circles the dial once every 24 hours, as well as a bidirectional rotatable 24-hour graduated bezel. The distinctively coloured 24-hour hand displays the “home” reference time in a first time zone which can be read on the graduations on the bezel. The traveller’s local time is easily set by “jumping” from hour to hour, thanks to an ingenious mechanism operated via the winding crown: the hour hand can be adjusted forwards or backwards independently of the minute and seconds hands. This allows travellers to adapt to their new time zone without affecting the precision of their timekeeping.
A manufacturing masterpiece. From extremely thin powder to an almost indestructible ring, Rolex developed an exclusive technique to create the GMT-Master II’s red and blue Cerachrom insert. The brand usually employs zirconia to make ceramics, but this mineral cannot reach the desired red colour. Rolex therefore undertook significant research to develop an alternative using alumina, another mineral. The blue colour is achieved by impregnating half of the insert with a solution of chemical compounds, which will turn from red to blue during sintering at more than 1,600°C. Known as sintering, this firing process, during which the ceramic takes on its final colours, lasts over 24 hours. This calls for great delicacy and precision to ensure a sharp, clear demarcation of colours on each half of the insert. Numerals and graduations are coated in one-micron thick layer of platinum via PVD (Physical Vapour Deposition) before a final polishing gives the GMT-Master II bezel a long-lasting lustre. Precision machining with diamond tools gives the piece its final shape and size.
GMT-Master II – Superlative Chronometer
Like all Rolex watches, each GMT-Master II is certified as a Superlative Chronometer. This exclusive designation attests that it has successfully undergone a series of tests conducted by Rolex in its own laboratories and according to its own criteria, which exceed watchmaking norms and standards. These tests are carried out on the fully assembled watch, in order to guarantee its superlative performance on the wrist.
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.
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