Quote:
Originally Posted by Paul_I
What is the functional purpose of a moisture indicator?
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The idea is that if you're a diver and your seals are beginning to fail on the watch, you will know and get it service before your next dive. It was designed in an era before he high tech gaskets we have today and ultimately became a requirement by both the French and US navy for the mil spec watches.
Think of it as the canary in the coal mine!