Refined Aesthetics The Oyster Perpetual Datejust is a timeless emblem of Rolexs watchmaking heritage. With its classic design and date display, it has become one of the most recognisable and enduring watches in the world. Its refined proportions and versatile style make it a perfect companion for every occasion. Precise and Reliable This reference 278384RBR features a 31mm case in Oystersteel and white gold, paired with a gem-set bezel and a grey dial. Powered by the calibre 2236 automatic movement, it offers approximately 55 hours of power reserve. The Oyster bracelet is fitted with an Oysterclasp and Easylink extension system. This 2020 model is presented as part of the Rolex Certified Pre-Owned programme with official documentation and a two-year international guarantee.