ROLEX SEA DWELLER 1665 'DOUBLE RED' MK3

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ROLEX SEA DWELLER 1665 'DOUBLE RED' MK3

Black
  • London Showroom

    Pickup available, usually ready in 2-4 days

    35/37 Ludgate Hill
    London EC4M 7JN
    United Kingdom

    +442072481321

FULLY AUTHENTICATED
PART EXCHANGE AVAILABLE
12 MONTH WARRANTY
FREE WORLD WIDE SHIPPING

THE ESSENTIALS

MAKE: ROLEX
MODEL: 1665
YEAR: 1975
BOX/PAPERS: YES/NO
CASE DIAMETER: 40mm
CASE MATERIAL: STAINLESS STEEL
BRACELET MATERIAL: STAINLESS STEEL
MOVEMENT: AUTOMATIC

The Sea-Dweller is to this day, the only sports Rolex that was born out of necessity. Unlike the Millsub which was effectively an altered 5513, the Sea-Dweller was created because the current dive model Rolex had to offer just wasn't up to the ever changing sub-sea landscape. 

In the 60s sub-sea exploration was developing at a rate of knots. Rolex found themselves in a horological race to the bottom, going head to head with Omega. They needed to produce the first 'professional' dive watch, capable of being used by saturation divers that were often diving beyond 300m.

Omega won the battle with the Seamaster 600 or PloProf as its known, with the help of Comex and their divers, but it's fair to say Rolex won the war. With help from the SEALAB Divers known as Aquanauts in the US Navy, they initially modified a 5513 to include a valve that allowed Helium to escape from the case once decompression occurred. It wasn't totally successful, this lead to a completely new design and a new case. By 1971 Rolex had formed a partnership with Comex after Omega's rocky relationship with the French Diving company ended. Rolex agreed to supply all watches to Comex for free in return for detailed real works reporting and testing of their products.

The 1665 reference was produced from 1967 to 1983, (with the 'Red' variants specifically between 67 and 77) but technically the watch didn't retail until 1971, with most of the watches made prior to 71 not being intended for civilian use. 

This particular example is the exceedingly rare MK3, this dial is seen between the 2.6 and 4.1m serial range, this watch being 4.0m serial. Most DRSDs (Double-Red Sea-Dweller) you will see are MK4s, MK3 and 2 are incredibly uncommon and Mk1s are unicorn like.

As you can see the watch has enjoyed a full life on the wrist, the markers show heavy patina, the hands are tritium but appear to be slightly later. The bezel has a deep ghosting with some corrosion around the edge, typical of extended use underwater. The date wheel is the correct brushed silver wheel. The watch retains a correct  T39 domed crystal. The case has been polished in the past but remains full especially around the crown guards. The 93150 bracelet is VD coded denoting it was made in 1979. 

Based on the number of service engravings within the caseback, the watch has been cared for. The movement is still running perfectly at 0 secs per day, 245 amps with a 0.3 beat error. 

As characterful tool watches go, this has to be up there, it tells a visual story of a full and kinetic life on the wrist. 

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