Precision and Power The Rolex Cosmograph Daytona is a chronograph built for endurance and speed. Since its introduction in 1963, it has become a symbol of performance, precision and prestige in the world of motorsport and beyond. Engineered for Excellence This 2005 model features a 40mm Oystersteel case with a fixed bezel and black dial. It is powered by the calibre 4130 automatic movement, offering a 72-hour power reserve, and is completed with an Oyster bracelet featuring Easylink extension and Oysterlock clasp. A bold and enduring chronograph with a racing pedigree.