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THIS OYSTER PERPETUAL COSMOGRAPH DAYTONA IN 18 CT YELLOW GOLD WITH A BLACK, DIAMOND-SET DIAL AND AN OYSTERFLEX BRACELET, FEATURES A BLACK CERACHROM BEZEL WITH TACHYMETRIC SCALE.
Reference 116518LN
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MODEL CASE
The Oysterflex Bracelet
Highly resistant and durable
The 18 ct gold versions of the Cosmograph Daytona with a Cerachrom bezel are available with an Oysterflex bracelet. Developed by Rolex and patented, it singularly combines the robustness of a metal bracelet with the comfort of an elastomer bracelet.
18 ct yellow gold
Commitment to excellence
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.
Black dial
With chronograph counters
This model features a black dial with snailed counters, 18 ct gold applique hour markers and hands with a Chromalight display, a highly-legible luminescent material.
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.
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Model case
Oyster, 40 mm, yellow 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 ct yellow gold
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Bezel
Black monobloc Cerachrom bezel in ceramic with moulded tachymetric scale
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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
MOVEMENT
- MOVEMENT
- Perpetual, mechanical chronograph, self-winding
- CALIBRE
- 4130, Manufacture Rolex
- PRECISION
- -2/+2 sec/day, after casing
- FUNCTIONS
- Centre hour, minute and seconds hands, small seconds hand at 6 o'clock. Chronograph (centre hand) accurate to within 1/8 of a second, 30-minute counter at 3 o'clock and 12-hour counter at 9 o'clock. Stop seconds for precise time setting
- OSCILLATOR
- Paramagnetic blue Parachrom hairspring
- WINDING
- Bidirectional self-winding via Perpetual rotor
- POWER RESERVE
- Approximately 72 hours