Beneath the Surface Introduced in the 1950s as the ultimate companion for deep-sea exploration, the Submariner remains an icon of Rolex innovation. This 40 mm Oystersteel and yellow gold model continues to honour its heritage with enduring capability. Confidence in the Depths The blue dial and matching rotatable bezel enhance its marine-inspired design. Equipped with calibre 3135 for impeccable precision, it offers a 48-hour power reserve, reinforced by a resilient Oyster bracelet and Oysterlock clasp with Glidelock extension.