Timeless Design Since its debut, the Rolex Day-Date has embodied the brands commitment to innovation and elegance. As the first watch to display the day and date in full, it quickly became a hallmark of success and sophistication, earning its place among the most iconic Rolex models. Compact Sophistication This 2007 reference 118206 features a 36mm case and is driven by the calibre 3155 automatic movement with a 48-hour power reserve. The domed bezel and President bracelet with Crownclasp offer a refined silhouette, while the blue dial provides a subtle yet striking contrast.