Underwater Icon The Rolex Submariner Date is a cornerstone of dive watch design. Introduced in the 1950s, it set the standard for underwater timekeeping with its waterproof case, rotatable bezel, and luminescent display. The Submariner remains a symbol of exploration and technical excellence. Bold Contrast This reference 116613LB, produced in 2016, features a 40mm case and a blue dial with large luminescent hour markers. The unidirectional bezel is calibrated for 60 minutes, ideal for dive timing. Powered by the calibre 3135 automatic movement, it offers a power reserve of approximately 48 hours. The Oyster bracelet includes the Rolex Glidelock extension system and Oysterlock clasp, providing a secure and adjustable fit for both diving and daily wear.