Engineered for the Deep The Rolex Sea-Dweller is a professional-grade dive watch built to withstand the crushing pressures of the deep ocean. Developed in collaboration with pioneering divers, it features a helium escape valve and a robust Oyster case, making it a trusted tool for saturation diving and underwater exploration. Classic Saturation Diver This 1996 Rolex Certified Pre-Owned Sea-Dweller features a 40mm Oystersteel case, a black dial, and a black 60-minute rotatable bezel. Powered by an automatic movement with a 48-hour power reserve, it is fitted with an Oyster bracelet. Supplied with official certification and a two-year international guarantee, it is a vintage reference built for extreme conditions.