Rolex Cosmograph Daytona The Cosmograph Daytona, introduced in 1963, was designed to meet the demands of professional racing drivers. With its highly reliable chronograph and bezel with tachymetric scale, it allows drivers to perfectly measure average speeds up to 400 kilometres or miles per hour, as they choose. An icon eternally joined in name and function to the high-performance world of motor sport. www.rolex.com
950 platinum case, chestnut brown monobloc Cerachrom bezel with engraved tachymetric scale deposited with platinum via PVD, screw-down crown and push buttons. Ice blue dial with chestnut brown lacquer counters and Chromalight appliques on hour marker
The original Rolex Explorer II from 1971 was equipped with a 24-hour display, a function designed for speleologists and polar explorers, allowing them to clearly distinguish daytime from night-time hours.