Entirely developed and manufactured by Rolex, the Rolex Sea-Dweller Deepsea is a totally new watch that benefits from important technical innovations. It is equipped with a Ringlock System, a new case architecture patented by Rolex, which allows the watch to resist the colossal pressure exerted by water at great depths. It is the first watch to feature a bracelet with a double extension system making it easily adaptable for greater comfort in wear over a diving suit.
The Sea-Dweller Deepsea responds to the most exacting demands of professional divers in terms of robustness, precision and reliability.
Technical Features:
A watch developed for extreme depths, guaranteed waterproof to 3,900 metres (12,800 feet), the Rolex Sea-Dweller Deepsea required the design of a case with a unique architecture, the Ringlock System. This innovation patented by Rolex consists of a combination of three distinctive features:
1, The high-performance ring
Set inside the middle case of the watch between the crystal and the case back, 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.
2, The sapphire crystal
To resist pressure, the synthetic sapphire crystal is slightly domed and substantially thicker than the crystals of other Oyster models.
3, The case back
The case back is made of a titanium alloy, an extremely resistant stainless material. It is held in place against the high-performance ring by means of a 904L-steel ring.
The Triplock winding crown, equipped with three seals and screwed onto the case, completes this ingenious waterproof system.
Display and legibility:
1, 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, the numerals and the graduations are filled with platinum through the use of a PVD technique patented by Rolex.
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.
2, 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.
3, Movement
This Rolex watch 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.
3, Bracelet
Manufactured from solid 904L steel, 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
Functioning-the unidirectional rotatable bezel
The Oyster Perpetual Sea-Dweller Deepsea allows a diver to safely track his dive time thanks to the unidirectional graduated bezel featured on the watch.
At the beginning of a dive
Once in the water, before beginning his descent, the diver turns the bezel to align the triangle on the graduated bezel to the minute hand, thus indicating the start time of his dive.
During the dive
The dive time can be read against the graduated bezel.
Since the Deepsea bezel turns only counterclockwise, any accidental rotation can only have the effect of shortening the dive time.
The picture above is a Rolex Sea-Dweller replica watch, this replica rolex has the same appearance with the Original Sea-Dweller Deepsea, for example, the unidirectional rotatable bezel, the thick sapphire crystal, the wide hands, and so on. But this watch has its own features:
Movement: Original Swiss ETA 2836 movement
Steel: 316 stainless steel
Besides, this ETA watch is only $230, you can't find this watch with so cheap price in other websites.
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