Well, for my 1665 th post, it was always quite inevitable that I would look at my favourite reference. The birth of the Sea-Dweller was 1967. It marked the first release of a watch with a helium escape valve aimed specifically for professional divers. It ...
You know how much I love your Chocolate Double red Mk II! I well remember how you described it, and I must say that its thin case and its delicious dial definitely convinced me. My favourite among all the DRSD. Best, Nicolas
Apparently in 1967 Doxa co developed the HEV with Rolex. They worked side in the waters off Geneva. Rolex was the one who put in the application for a patent hence the pat pend. Doxa commercialized the Conquistador 300T with the HEV late 1968 early 1969. ...
Bill..... "I have seen or heard diver comments on early prototypes pre the award of the patent which was going to look up. Rolex also enjoyed various military testing with saturation divers but don't have and supporting pictures for HEV testing." I owned ...
... I never paid the deserved attention to this model, though I own one of the last 16600 version of the SD. Your photographs and your writing reflect the importance of this model within the story of Rolex tool watches, and diving watches in general. It s...