Dive Heritage The Submariner Date is a professional dive watch that has become a cultural icon. Known for its robust construction and timeless design, it is trusted by divers and collectors alike for its performance and versatility. Refined Utility This 2017 reference 116613LN features a 40mm case with a black dial and a rotatable 60-minute bezel. Powered by the calibre 3135 automatic movement with a 48-hour power reserve, it includes an Oyster bracelet secured by an Oysterlock clasp with Rolex Glidelock extension system. A bold and enduring expression of underwater engineering.