Features of the Rolex Cosmograph Daytona (Black Dial / Steel & Ceramic Model, Ref. 116500LN / 126500LN)
1. Case & Material
◦ The watch is crafted from 904L stainless steel, known for its durability and corrosion resistance.
◦ It features a black Cerachrom ceramic bezel engraved with a tachymeter scale, which is highly scratch-resistant and will not fade over time.
◦ The case diameter is 40mm, paired with the iconic three-link Oyster bracelet for a classic and robust look.
2. Dial & Functions
◦ It has a black dial with three contrasting white sub-dials (30-minute counter at 3 o'clock, running seconds at 6 o'clock, and 12-hour counter at 9 o'clock) for excellent legibility.
◦ It is a chronograph watch, primarily designed to measure average speed, with a chronograph seconds hand and pushers on the side of the case.
3. Movement & Performance
◦ Powered by Rolex's in-house Calibre 4130 / 4131 automatic chronograph movement, which is chronometer-certified for precision and offers a power reserve of approximately 72 hours.
◦ It features a Parachrom hairspring for high resistance to shocks and magnetic fields, and has a water resistance of 100 meters (10 bar).
4. Key Identifying Details
◦ The winding crown and chronograph pushers are screw-down, secured by Rolex's Triplock triple waterproof system.
◦ The tachymeter markings on the ceramic bezel are created using a platinum deposit process, giving them a subtle metallic sheen.
