Quote:
Originally Posted by W&D
Apologies for reviving an old thread but I think I may have been testing my watches in a wet pressure testing device incorrectly?. I pressurised the watch dry in the chamber and then dunked the watch into the water to look for bubbles but didn't release the pressure until AFTER I pulled the watch back out into the dry area. I assumed as water cant be pressurised that the bubbles would show if there was a leak?. Am I wrong on this?
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Yes.
The water is at the same pressure as the pressurised air in the cylinder.
Under your test procedure, if the seals are faulty, it is possible that water will enter the watch as the internal/external pressure continues to equalise.
Do not do this anymore.
I have converted my wet tester to a dry tester using a crystal deflection method.
No chance of water issues.