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This genuine 2006 Rolex Sea-Dweller 16600T with full set of original Rolex box, papers plus accessories is in excellent condition and has passed our in-house due diligence and inspection criteria. A service was also carried out by Rolex 28/2/2018.


Case width 40mm (excluding crown)

Black Lacquered Dial

Helium Escape Valve

Screw-down Crown

Sapphire Crystal

Rolex Calibre 3135 Automatic Movement

Black Uni-directional Rotating Bezel

Stainless Steel Case

Matt Stainless Steel Oyster Bracelet

Flip-lock Safety Clasp

Diver's Extension Link

Rolex Box (Inner and Outer)

Red COSC Tag

Original Rolex Certificate dated Feb 2006

Green Leather Rolex Wallet


Calendar Card

Anchor Lanyard (4000ft)

Rolex Service Card dated Feb 2018

TWS 12 Month Warranty Certificate

Watch Register Certificate


If you would like a FaceTime viewing of this watch please contact us on 01892 354094 or email


The Rolex Sea-Dweller, another 'tool-watch' designed by the company to carry out a specific job.


In the 1960's professional divers needed a watch that could handle the enormous sea pressure at a depth of 300 metres but even the existing Submariner couldn't dive to those depths. So Rolex came up with a solution in the form of the Sea-Dweller 2000. As the moniker suggests this was a watch that could handle a depth of 2000 feet without drama.


However, in 1978, the Sea-Dweller 4000 upped the ante by having a unique Helium Escape Valve (or equalisation valve) built into the case which meant that the new watch could survive conditions that would normally crush the workings of any other so-called diver's watch. This simple spring-loaded valve allows the microscopic helium particles to escape from the watch as the diver ascends from the depths and so efficient is the mechanical design that it works all on its own without any intereference from the diver.


Once again, a real-life technical problem solved by Rolex with a simple but highly efficient design. For the record, the Sea-Dweller is only available in stainless steel and no other optional finish. 


As usual the Sea-Dweller utilises the famous Oyster case which is milled from one solid piece of steel whilst the movement is shielded by a screw-down case-back plus screw-down crown for the winding mechanism . The front of each watch is also hermetically sealed with a specially hardened sapphire crystal. All engineered to perfection and totally fit for purpose.


Launched in the late 1980s, the reference 16600 is virtually identical to the late “Triple Six,” maintaining its sapphire crystal and its 1,220 meter water resistance.


Over its remarkably long production period, the luminous material evolved from tritium to Luminova, and then to SuperLuminova.


You can easily tell which is which by looking at the bottom of the dial – T Swiss T<25 indicates Tritium, Swiss indicates Luminova, and Swiss Made indicates SuperLuminova.


The reference 16600 also utilizes the caliber 3135, a slightly improved version of the caliber 3035. It has a longer power reserve and a full-fledged balance bridge, instead of the balance cock. The reference 16600 was discontinued after 20 years in Rolex catalogues, making it the longest lasting Sea-Dweller reference.

2006 ROLEX Sea-Dweller 16600T

  • Yes / Yes

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