subject: Waterproof Watches And Their Watch Repair Needs [print this page] One last vital piece of data to remember is that water resistance is not permanent. Gaskets could possibly be damaged or misshapen, cases should be dented through normal use or crystals loosened or cracked. In order to preserve the water resistance of a timepiece you {must|should|ought to|need to|have to| be sure to do preventive maintenance. At least once a year you should take your timepiece in for service, so that it can easily be tested and make certain that there are no leaks.
