Technical features
Technical features
Case architecture and waterproofness
A watch developed for extreme depths. guaranteed waterproof to 3(Louis Vuitton Replica).900 metres (12.800 feet). the Sea-Dweller Deepsea required the design of a case with a unique architecture(Replica Chloe Handbags). the Ringlock System. This innovation patented by {$Title} consists of a combination of three distinctive features:
- The high-performance ring
Set inside the middle case of the watch between the crystal and the case back Handbags Replica. the high-performance nitrogen-alloyed stainless steel ring withstands the pressure exerted by water on the crystal and the case back.
The middle case is made from 904L steel.
- The sapphire crystal
To resist pressure Fake Handbags. the synthetic sapphire crystal is slightly domed and substantially thicker than the crystals of other Oyster models.
- The case back
The case back is made of a titanium alloy Replica Watches Handbags. an extremely resistant stainless material. It is held in place against the high-performance ring by means of a 904L-steel ring.
The helium valve is made of high-performance stainless steel. Its size is adapted to the dimensions of the case to achieve optimal waterproofness. The helium valve is a safety feature which Replica Handbags Replica . during the decompression phase(Gucci Fake Handbags). releases the gases that infiltrate into the watch during caisson dives.
Indeed. between dives at great depths. professional divers use pressurised caissons in which they breathe high-pressure gas mixtures Replica . notably containing helium. a very volatile gas that penetrates into the watch. As the diver resurfaces. the helium valve prevents damage to the watch.
The Triplock winding crown. equipped with three seals and screwed onto the case Fake Handbags. completes this ingenious waterproof system.

Display and legibility
The bezel
The Sea-Dweller Deepsea is equipped with a unidirectional rotatable bezel with a 60-minute graduated black Cerachrom disc that allows the diver to precisely track his dive time.
Engraved in the Cerachrom Replica Handbags. the numerals and the graduations are filled with platinum through the use of a PVD technique patented by {$Title}.
The zero marker of the graduated bezel. represented by a triangle. is visible longer at night or in the depths of the ocean thanks to a capsule containing a new luminescent material that emits a blue glow.
The dial
To enhance legibility. the gold indexes and hands are wider and partially coated with the
same new luminescent material and also emit a blue colour.
The movement
The Sea-Dweller Deepsea is equipped with calibre 3135. known for its chronometric precision. its reliability and its robustness; it also features a Parachrom hairspring with high resistance to shocks and magnetic fields.
Certified as a chronometer by the Swiss Official Chronometer Testing Institute (COSC). the movement has a 48-hour power reserve.
The bracelet
Manufactured from solid 904L steel Fake Handbags. the Sea-Dweller Deepsea bracelet can be adjusted for wear over a diving suit up to 7 mm thick thanks to a double extension system:
- Fliplock extension links.
- the new Glidelock clasp. allowing fine adjustments.
A series of rigorous tests
Because deep-sea diving requires absolute reliability and safety Replica . each Sea-Dweller Deepsea must pass Rolex’s rigorous waterproofness tests. To this end(Marc jacobs Handbags). special equipment has been developed with the help of COMEX (Compagnie Maritime d’Expertise). a world-renowned French company specialising in underwater engineering and hyperbaric technologies.
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