Sea-Dweller
A professional diving tool
Waterproof to a depth of 1,220 metres (4,000 feet), the Sea‑Dweller combines a number of technical innovations that ensure exceptional robustness, optimal legibility and comfort in all circumstances. Designed for professional saturation diving, it is fitted with a helium escape valve that protects the case from damage in the event of excess internal pressure.
Exclusive to Rolex and patented in 1967, the helium escape valve is an integral feature of the Sea-Dweller and a major invention for saturation diving.
A key feature of Rolex divers’ watches, the bezel is fitted with a graduated Cerachrom bezel insert, an essential technical element that allows divers to accurately read their time spent underwater.
The Sea-Dweller is equipped with the Triplock winding crown. This helps guarantee its waterproofness to a depth of 1,220 metres (4,000 feet).
The Cyclops lens allows for easier reading of the date, a vital feature for divers on extended underwater missions lasting up to several dozen days.
The Chromalight display gives the Sea-Dweller optimal legibility in all circumstances.
Oystersteel is an exclusive and highly corrosion-resistant alloy that retains its shine even when the watch is put to extreme use.
The Sea-Dweller’s Oyster bracelet is equipped with the Oysterlock clasp. Exclusive to Rolex Professional watches and patented, it ensures both a secure fastening and easy handling, even underwater.
The Sea-Dweller is equipped with calibre 3235. A consummate demonstration of various technologies, this self-winding mechanical movement is entirely developed and manufactured by Rolex.