Rolex Hyperbaric chamber

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Some of you showed interest in the Hyperbaric chamber I have been using to pressure test Rolex watches at RSC.

First we use a simple pressure tester to see if there are any obvious leaks, if it passes this it will go into the Hyperbaric chamber to be tested at its rated depth. In this case I am servicing an Explorer II so I'm testing it at 100m

It can test all Rolex rated depths from 60m to 3900m.

When it has passed this we will put it on a 50C plate for a few minutes and then crystal down on a 5C plate, there will then form mist on the inside of the crystal. If this doesn't go away in approximately one minute there is too much water inside the case and thus a minor leak. If this is the case we change the gaskets again and test the watch again.

I was told someone at our workplace once made the mistake to test a 16233 at 300m instead of 100m, and yes it passed the test without a problem.