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Polar F11 Heart Rate Monitor Questions & Answers
Replace battery in my Pola F11 Heart Rate watch
Yes, your watch will retain the same water resistance if you will not damage the rubber gasket. After replacing watch battery, clean that rubber gasket with lighter fluid(ZIPPO), place back in watch exactly as it was before and reassemble the casing.
If there are screws on caseback, do not overtighten them. At the same time do not leave them too loose.
Memorize how much power you needed to unscrew them and use the same to screw them back.
I'm recommending ZIPPO, because it would be difficult for you to get special cleaner and grease for gasket.
After cleaning the gasket with ZIPPO, rub a little bit of vaseline in to your fingertips and slide the gasket through them. That will do a good lubrication.
Don't forget to rate, please.
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