Sporting Elegance The Cosmograph Daytona is engineered for precision and performance, with a design that reflects its deep roots in the world of motorsport. Its chronograph functions and tachymetric scale make it a trusted tool for measuring speed and endurance. Racing Heritage This reference 116523, from 2015, features a 40mm case crafted from a blend of Oystersteel and yellow gold. The black dial is paired with a fixed bezel engraved with a tachymetric scale and powered by the calibre 4130 automatic movement, offering a power reserve of approximately 72 hours. The Oyster bracelet is fitted with an Easylink extension and Oysterlock clasp for secure and comfortable wear.