Enduring Dive Watch Heritage The Rolex Submariner Date is one of the most recognisable and influential dive watches ever created. Introduced in 1953, it was the first wristwatch to be waterproof to a depth of 100 metres. Over the decades, the Submariner has become a symbol of precision, durability and timeless design - a true icon of underwater exploration and everyday elegance. Dual-Metal Construction This 2015 example, reference 116613LB, features a 40mm case crafted from a combination of Oystersteel and yellow gold. It is powered by the calibre 3135 automatic movement, offering a power reserve of approximately 48 hours. The Oyster bracelet is fitted with the Oysterlock safety clasp and Rolex Glidelock extension system, ensuring a secure and adjustable fit for professional diving or daily wear.