The Pioneering Original Launched in 1945, the Rolex Datejust was the first wristwatch to feature an automatically changing date display. Its timeless design and technical innovation have made it a cornerstone of the Rolex collection for generations. Elegant and Timeless This 2012 model features a 36mm case and is powered by the calibre 3135 automatic movement with a 48-hour power reserve. The domed bezel and Oyster bracelet with Easylink clasp offer a refined yet practical aesthetic. A classic expression of Rolex craftsmanship and enduring style.