View single post by BOSCHETT
 Posted: Mon Sep 22nd, 2008 11:02 pm
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BOSCHETT



Joined: Thu Jan 24th, 2008
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 Bill,

To move from say 300m to 1000m, the thickness of the sapphire crystal and case-back is increased as well as the inside construction.  The O-rings do play a part too.

Keith