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Reference
126719BLRO
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MODEL CASE
Oyster, 40 mm, white gold
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BEZEL
Bidirectional rotatable 24-hour graduated bezel. Two-colour blue and red Cerachrom insert in ceramic, engraved numerals and graduations
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WATER-RESISTANCE
Waterproof to 100 metres / 330 feet
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MOVEMENT
Perpetual, mechanical, self-winding, GMT function
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CALIBRE
3285, Manufacture Rolex
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POWER RESERVE
Approximately 70 hours
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BRACELET
Oyster, flat three-piece links
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DIAL
Blue
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Certification
Superlative Chronometer (COSC + Rolex certification after casing)
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.
Blue Dial
Like all Rolex Professional watches, the GMT-Master II offers exceptional legibility in all circumstances, and especially in the dark, thanks to its Chromalight display. The broad hands and hour markers in simple shapes – triangles, circles, rectangles – are filled with a luminescent material emitting a long-lasting glow.
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.

MODEL AVAILABILITY
All Rolex watches are assembled by hand with the utmost care to ensure exceptional quality. Such high standards naturally restrict Rolex production capacity and, at times, the demand for Rolex watches outpaces this capacity.
Therefore, the availability of certain models may be limited. New Rolex watches are exclusively sold by Official Rolex Retailers, who receive regular deliveries and independently manage the allocation and sales of watches to customers.
Watches of Switzerland is proud to be part of the worldwide network of Official Rolex Retailers and can provide information on the availability of Rolex watches.
The GMT-Master, introduced in 1955, was developed to meet the needs of intercontinental airline pilots, and proved invaluable to those whose professions involve long-distance travel. Featuring a rotatable 24-hour graduated bezel and a separate 24-hour hand, it allows those who travel the world to read two different time zones simultaneously, and up to three by turning the rotatable bezel.