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Cannop · 22 January 2011, 10:05 AM

It's not pressure tested in a tank of water it's tested in a vacuum, so there is no chance of water ever getting into the case. The rating is dependent on the amount of movement (flex for want of a better word) detected on the crystal. I'm sure an expert will be along in a while to explain better than I can

22 January 2011, 10:05 AM	#10
Cannop "TRF" Member Join Date: Nov 2010 Real Name: Duncan Location: UK Watch: Lots Posts: 443	It's not pressure tested in a tank of water it's tested in a vacuum, so there is no chance of water ever getting into the case. The rating is dependent on the amount of movement (flex for want of a better word) detected on the crystal. I'm sure an expert will be along in a while to explain better than I can __________________ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "The quality is remembered long after the price is forgotten" - Sir Henry Royce (1863 -1933) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -