Performance Icon The Rolex Cosmograph Daytona is a chronograph built for speed and precision. With its tachymetric scale and high-performance movement, it remains a benchmark in motorsport-inspired watchmaking. Contemporary Edge This 2017 model features a black dial with contrasting sub-dials and a fixed black bezel. The 40mm Oystersteel case is paired with an Oyster bracelet and Easylink Oysterlock clasp. Powered by the calibre 4130 automatic movement, it offers a 72-hour power reserve.