Built for the Deep The Rolex Deepsea is engineered for the extremes of underwater exploration. Developed in collaboration with professional divers, it combines technical innovation with robust construction, making it one of the most capable dive watches in the Rolex catalogue. Pressure Tested This 2014 reference features a 44mm Oystersteel case with a rotatable black bezel calibrated for 60 minutes. The D-blue dial is powered by the calibre 3135 automatic movement with a 48-hour power reserve. The Oyster bracelet includes Fliplock, Oysterlock and Glidelock systems for secure wear in demanding conditions.