Enduring Icon The Submariner is one of Rolexs most recognisable professional watches. Originally designed for diving, it has become a symbol of precision, durability and timeless style, both underwater and on land. Precise and Durable This reference, from 2012, features a 40mm Oystersteel case with a black dial and rotatable bezel calibrated for 60-minute intervals. Powered by the calibre 3130 automatic movement, it offers a 55-hour power reserve. The Oyster bracelet includes Oysterlock and Rolex Glidelock for secure and adjustable wear.