Cosmograph Daytona | 126500LN
Product details
The high-performance chronograph features a sleek black monobloc Cerachrom bezel with a tachymetric scale, offering precision for measuring average speeds up to 400 miles or kilometers per hour. Crafted from corrosion-resistant, virtually scratchproof high-tech ceramic, the bezel is complemented by a black dial with spray-coated chronograph counters and 18kt gold hour markers. The timepiece boasts exceptional legibility with a chromalight display and the durability of oystersteel, a specially developed alloy known for its resistance to harsh environments. The iconic Oyster bracelet combines form and function, providing both comfort and strength in every use.
- Reference 126500LN
- Model case: Oyster, 40 mm, Oystersteel
- Diameter: 40 mm
- Material: Oystersteel
- Bracelet: Oyster, three-piece solid links
| Model case |
Oyster, 40 mm, Oystersteel |
|---|---|
| Oyster architecture |
Monobloc middle case, screw-down case back and winding crown |
| Bezel |
Black monobloc Cerachrom bezel in ceramic with moulded tachymetric scale |
| Diameter |
40 mm |
| Winding crown |
Screw-down, Triplock triple waterproofness system |
| Crystal |
Scratch-resistant sapphire |
| Water resistance |
Waterproof to 100 metres / 330 feet |
| Movement |
Perpetual, mechanical chronograph, self-winding |
| Calibre |
4131, manufacture Rolex |
| 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 |
| Bracelet |
Oyster, three-piece solid links |
| Material |
Oystersteel |
| Clasp |
Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link |
| Dial |
Black, steel counter rings |
| Details |
Highly legible Chromalight display with long-lasting blue luminescence |
Description
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.
With chronograph counters
This model features a black dial with spray-coated 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.
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.
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.
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