Underwater Icon The Submariner Date is a benchmark in the world of dive watches. Known for its robust construction, unidirectional bezel and luminous display, it is designed to perform in the most demanding underwater environments. A true tool watch, the Submariner Date is also a timeless symbol of Rolexs pioneering spirit. Classic Configuration This 40mm Rolex Submariner Date, reference 116610LN, features a black dial and matching black Cerachrom bezel insert with minute markers. Crafted from Oystersteel, it is powered by the calibre 3135 automatic movement with a 48-hour power reserve. The Oyster bracelet includes the Rolex Glidelock extension system for precise adjustment.