A legend among divers’ watches is reborn as Rolex brings back a contemporary version of the Oyster Perpetual Sea-Dweller; a model created by the brand in 1967. The Oyster Perpetual Sea-Dweller; 4000 is a 40 mm technical divers’ watch waterproof to a depth of 1,220 metres (4,000 feet) and features the latest in Rolex innovation: Cerachrom bezel insert in ceramic, long-lasting Chromalight luminescence, paramagnetic blue Parachrom hairspring, Oysterlock safety clasp and Rolex Glidelock bracelet extension system.
Designed in 1967 for the pioneers of professional deep-sea diving, the Sea-Dweller 4000 is equipped with one of the inventions that contributed to its stature: the helium escape valve, which was patented by Rolex during the same year. This ingenious safety valve releases helium from the watch case as the gas expands during the decompression phases of deep-water saturation dives, while preserving the waterproofness of the watch.
THE SEA-DWELLER 4000, A SUPERLATIVE CHRONOMETER
Like all Rolex watches, each Sea-Dweller 4000 is certified as a Superlative Chronometer. This exclusive designation affirms that it has successfully undergone a series of tests conducted by Rolex in its own laboratories according to its own criteria, which exceed normal watchmaking standards. These tests are carried out on the fully assembled watch, in order to guarantee its superlative performance on the wrist.
CERAMIC BEZEL INSERT AND LONG-LASTING LUMINESCENT DISPLAY
The Sea-Dweller 4000’s 60-minute graduated, unidirectional, rotatable bezel enables divers to precisely and safely monitor their dive and decompression times. It is equipped with a patented black Cerachrom bezel insert manufactured by Rolex in a virtually scratchproof ceramic whose colour is unaffected by ultraviolet rays.
PERPETUAL CALIBRE 3135
The Sea-Dweller 4000 is equipped with calibre 3135, a self-winding mechanical movement entirely developed and manufactured by Rolex. Its architecture, manufacturing and innovative features make it singularly precise and reliable.
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Founded by Hans Wilsdorf in 1905, Rolex pioneered the development of the wristwatch and is at the origin of numerous major watchmaking innovations, such as the Oyster, the first waterproof wristwatch, launched in 1926, and the Perpetual rotor self-winding mechanism invented in 1931. Rolex has registered over 400 patents in the course of its history. A truly integrated and independent manufacturing company, Rolex designs, develops and produces in-house all the essential components of its watches, from the casting of the gold alloys to the machining, crafting, assembly and finishing of the movement, case, dial and bracelet. Rolex is also actively involved in supporting the arts, sports, exploration, the spirit of enterprise, and the environment through a broad palette of sponsoring activities, as well as philanthropic programmes.