Professional Standard The Submariner Date is a cornerstone of Rolexs professional watch range. Designed for underwater exploration, it combines precision, durability, and timeless design, making it equally at home beneath the waves or in everyday life. An Enduring Classic This reference 116610LN features a 40mm Oystersteel case, black dial, and a matching black Cerachrom bezel insert. It is powered by the calibre 3135 automatic movement with a 48-hour power reserve. The Oyster bracelet includes the Rolex Glidelock extension system and Oysterlock clasp, offering secure and adjustable wear. A contemporary take on a legendary design.