Track-Focused Precision The Rolex Cosmograph Daytona was created for professional racing drivers, offering a high-performance chronograph and tachymetric scale for measuring speed. Since 1963, it has stood as a symbol of endurance and excellence. Sporting Elegance This reference 116518, from 2005, features a 40mm case in 18ct yellow gold with a black dial and fixed bezel. Powered by the calibre 4130 automatic movement, it delivers a 72-hour power reserve and is fitted with an alligator leather strap and Oysterlock clasp. A refined chronograph with motorsport heritage.