The classic Rolex Datejust is the archetype of the modern watch, thanks to aesthetics and functions that transcend changes in fashion. Aesthetically, the Datejust has spanned eras, while retaining the enduring codes that make it, notably in its traditional versions, one of the most recognized and recognizable of watches. Introduced in 1945, the Datejust was the first wristwatch-chronometer to display the date through an aperture on the dial. Its unique magnifying Cyclops lens, added several years later, became a Rolex signature. Admired for its classic design, the Datejust has become an iconic symbol of style. This Rolex 126231 Datejust 36mm watch has a steel and rose gold case with Oystersteel monobloc middle case, screw-down steel back, screw-down 18k rose gold crown.18k rose gold domed bezel, slate grey dial set with rose gold hands and green roman hour markers. Rolex calibre 3235 self-winding movement with date at 3 o'clock, approximately 70 hours of power reserve. Features a supple and comfortable Everose Rolesor Jubilee bracelet with five-piece links, folding Oysterclasp buckle and Easylink 5mm comfort extension link. It was designed and made especially for the launch of the Oyster Perpetual Datejust in 1945. Waterproof to 100 meters. Redesigned for Baselworld 2018 with updated case sides, lugs, and calibre 3235 movement.