Ocean Explorer The Rolex Deepsea is a professional-grade divers watch built to withstand extreme underwater pressure. Its robust construction and technical innovation make it a standout in the Rolex professional collection. Built for Depth This reference, from 2017, features a 44mm Oystersteel case with a D-blue dial and rotatable bezel calibrated for 60-minute intervals. Powered by the calibre 3135 automatic movement, it offers a 48-hour power reserve. The Oyster bracelet includes Fliplock, Oysterlock and Rolex Glidelock systems for secure and adjustable wear during deep-sea expeditions.