I'm glad I have made someone aware of this watch. Rolex is most widely known for the association with COMEX, however, "Since 1968, Omega was working with COMEX to create the ultimate saturation diving watch, the so-called
PloProf (
Plongeur
Professionnel = professional diver). Omega knew of the problems with exploding watches as their Seamaster 300 had gone through the same issues.
Unlike Rolex, Omega engineered the PloProf from scratch to make it impossible for helium to even enter the case. "
For
Hydra 1, Omega provided COMEX with five special PloProf prototype watches. PloProf was short for
Plongeur
Professionnel = professional diver.
More information here ( Heavy Rolex Sea Dweller content):
Part one of the The Sea-Dweller Chronicles was a deep dive into the beginnings of Rolex’s professional diving toolwatch specifically made for saturation divers. Initialy conceived as an Uber …
perezcope.com
And more about the decompressing watches:
The Rolex Sea-Dweller is without a doubt one of the most fascinating Rolex models ever created. Shaped by historical events and awesome human ingenuity, it was developed as a toolwatch for a new ge…
perezcope.com
Image used under section Article 107