Sea-Dweller

Professional Legacy Originally developed for professional divers, the Rolex Sea-Dweller is a robust and technically advanced timepiece. Its heritage is rooted in underwater exploration, combining precision engineering with uncompromising durability. Engineered for Depth This 2017 reference features a 43mm Oystersteel case with a rotatable black bezel calibrated for 60 minutes. The intense black dial is housed within a waterproof Oyster case, powered by the calibre 3235 automatic movement with a 70-hour power reserve. The Oyster bracelet includes Fliplock, Oysterlock and Glidelock systems for secure wear in extreme conditions.