Chronograph Icon The Rolex Cosmograph Daytona is a symbol of precision and endurance. Designed for the demands of motorsport, it combines technical performance with a bold, recognisable aesthetic that has made it a legend among chronographs. Monochrome Finish This 2012 reference 116520 features a 40mm Oystersteel case and is powered by the calibre 4130 automatic movement, offering a power reserve of approximately 72 hours. The Oyster bracelet is fitted with the Oysterlock clasp and Easylink extension system.