I believe the terms water resistant and water proof are used by manufacturers interchangeably. For Example.... my Ripcurl watch says "water resistant" now if that meant it could only handle an occasional wetting from rain, or snow, that would mean this watch should've been dead a few times over by now. I've taken this watch down on every dive.. to depths of 85 feet, it has never complained once, it still works perfectly. Now other manufactures that say "water resistant" may not perform that well, that's why I say they use both terms to mean the same (in some cases).
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