Question about Casio PRG-40T-7 Pathfinder
Normally gasket has not to be replaced after battery change.But all depends of the use.For example if you wear the watch in salt or pool water and never flash it with fresh, clean water after,it may be a cause of gasket wear.Remove the back cover.Replace all 4 batteries(be sure first that you can do this with extreme caution as all parts are tiny).Remove gasket.Check gasket condition(cracks,gasket too dry and hard).If gasket OK, apply a small amount of special silicon compound for watch gaskets,all around and to all sides of the gasket,put it back in place,carefully.Be sure that gasket is set correctly all around.Put the back cover in place and screw with much caution (not too tight-a little resistance).Your watch now normally is water resistant.But if you want to be 100% sure,take the watch to a serious repair center where it will be tested under pressure ( 3 Atm average).Then they will tell you if your watch is 100% water resistant.
Posted on Oct 11, 2010
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Posted on Jan 02, 2017
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