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Cosmograph Daytona


Oyster, 40 mm, Oystersteel
Reference 126500LN

$250

Rolex watches

Cosmograph Daytona

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Old price $1150

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The triumph of endurance


The Oyster Perpetual Cosmograph Daytona in Oystersteel with a white dial and contrasting counter rings. It features an Oyster bracelet and a black Cerachrom bezel with tachymetric scale.
The tachymetric scale
High-performance chronograph

A key part of the model’s identity is the bezel moulded with a tachymetric scale for measuring average speeds of up to 400 miles or kilometres per hour. Blending high technology with sleek aesthetics, the black bezel is reminiscent of the 1965 model that was fitted with a black Plexiglas bezel insert.

The monobloc Cerachrom bezel in high-tech ceramic offers a number of advantages: it is corrosion resistant, virtually scratchproof and the colour is unaffected by UV rays. This extremely durable bezel also offers an exceptionally legible tachymetric scale, thanks to the deposition of a thin layer of platinum in the numerals and graduations via a PVD (Physical Vapour Deposition) process. The monobloc Cerachrom bezel is made in a single piece and holds the crystal firmly in place on the middle case, ensuring waterproofness.
White dial

With chronograph counters
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.
Oystersteel
Highly resistant to corrosion

Rolex uses Oystersteel for its steel watch cases. Specially developed by the brand, Oystersteel belongs to the 904L steel family, alloys most commonly used in high-technology and in the aerospace and chemical industries, where maximum resistance to corrosion is essential.

Oystersteel is extremely resistant, offers an exceptional finish once polished and maintains its beauty even in the harshest environments.
The Oyster bracelet

Alchemy of form and function

The design, development and production of Rolex bracelets and clasps, as well as the stringent tests they face, involve advanced high technology. And, as with all the components of the watch, aesthetic controls by the human eye guarantee impeccable beauty.

The Oyster bracelet is a perfect alchemy of form and function. 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.
More Cosmograph Daytona
technical details
Reference 126500LN
Certification
Superlative Chronometer (COSC + Rolex certification after casing)
Certification
Learn how to set the time and other functions of your Rolex watch by consulting our user guides.
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User guide
Model case
Oyster, 40 mm, Oystersteel



Oyster architecture
Monobloc middle case, screw-down case back and winding crown


Diameter
40 mm


Material
Oystersteel


Bezel
Black monobloc Cerachrom bezel in ceramic with moulded tachymetric scale
Winding crown
Screw-down, Triplock triple water -proofness system


Crystal
Scratch-resistant sapphire


Water resistance
Waterproof to 100 metres / 330 feet


Model case
Movement
Perpetual, mechanical chronograph, self-winding


Calibre
4131, manufacture Rolex


Precision
-2/+2 sec/day, after casing
Functions
Centre hour and minute hands, small seconds hand at 6 o'clock. Chronograph via centre seconds hand, 30-minute counter at 3 o'clock and 12-hour counter at 9 o'clock. Stop seconds for exact time setting


Oscillator
Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers


Winding
Bidirectional self-winding via Perpetual rotor


Power reserve
Approximately 72 hours


Movement
Bracelet
Oyster, three-piece solid links


Material
Oystersteel


Clasp
Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link


Bracelet
Dial
White, black counter rings


Details
Highly legible Chromalight display with long-lasting blue luminescence


Dial
Cosmograph Daytona


Brochure
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Cosmograph Daytona


Oyster, 40 mm, Oystersteel
Reference 126500LN

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Cosmograph Daytona

Oyster, 40 mm, Oystersteel

Reference 126500LN