View single post by e.avery
 Posted: Sat Nov 24th, 2007 09:53 am
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e.avery



Joined: Tue Apr 4th, 2006
Location: Kentucky USA
Posts: 2722
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 Dive in mine often, but that being said 95% of the time the gaskets for diving come in handy keeping fine dust out of the case.  Dealing with extreme weather conditions and variations in temp. the gaskets of the case and screw down crown come in handy.

When dealing with fine dust, the crown set up of the Zeno Army Diver is very sub-par due the nature of the design.  It allows the dust and grit to have direct access to the seals, and the dust grinds the seals every time the watch is wound or set.  The compression of the seals on the crown stem is not sufficient to ensure a long term seal, given the oxidation and mechanical wear of the seals.

If you are exposed to extreme conditions a screw down crown will serve the user more often than any other setup on most dive watches.