The triumph of endurance
This Oyster Perpetual Cosmograph Daytona in 18 kt Everose gold, with a Sundust and bright black dial and an Oyster bracelet, features an 18 kt Everose gold bezel with an engraved tachymetric scale.
The tachymetric scale
High-performance chronograph
With its tachymetric scale, its three counters and its pushers, the Cosmograph Daytona was designed to be the ultimate timing tool for endurance racing drivers. The bezel features a tachymetric scale to read average speed over a given distance based on elapsed time.
This scale offers optimal legibility, making the Cosmograph Daytona the ideal instrument for measuring speeds up to 400 units per hour, expressed in kilometres or miles.
Sundust and bright black dial
With chronograph counters
This model features a Sundust and bright black dial with snailed counters, 18 kt gold applique hour markers and hands with a Chromalight display, a highly-legible luminescent material.
The dial allows drivers to accurately map out their track times and tactics without fail.
18 kt Everose gold
An exclusive patent
To preserve the beauty of its pink gold watches, Rolex created and patented an exclusive 18 kt pink gold alloy cast in its own foundry: Everose gold.
Introduced in 2005, 18 kt Everose is used on all Rolex Oyster models in pink gold.
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 Daytonatechnical details
Reference 126505
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Model case
Oyster, 40 mm, Everose gold
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Oyster architecture
Monobloc middle case, screw-down case back and winding crown
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Diameter
40 mm
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Material
18 kt Everose gold
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Bezel
Fixed, with engraved tachymetric scale, in 18 kt Everose gold
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Winding crown
Screw-down, Triplock triple waterproofness system
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Crystal
Scratch-resistant sapphire
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Water resistance
Waterproof to 100 metres / 330 feet
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Movement
Perpetual, mechanical chronograph, self-winding
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Calibre
4131, manufacture Rolex
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Precision
-2/+2 sec/day, after casing
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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
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Oscillator
Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers
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Winding
Bidirectional self-winding via Perpetual rotor
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Power reserve
Approximately 72 hours
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Bracelet
Oyster, three-piece solid links
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Material
18 kt Everose gold
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Clasp
Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link
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Dial
Sundust and bright black
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Details
Highly legible Chromalight display with long-lasting blue luminescence
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Certification
Superlative Chronometer (COSC + Rolex certification after casing)
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