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Also ask any serious Garmin watch user about their charging/data contacts. They start to rot away after 1-2 years of being exposed to sweat.

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I don't think I've ever heard anyone complain about that, and I know a good amount of people who use Garmin watches. My own forerunner is still going strong after 5 (I think) years of use, with multiple runs a week for most of that time.

I know someone whose garmin watch refused to charge after a few years, not sure if it was caused by sweat. Mine is starting to get wonky after a few years. I keep worrying I'll plug in some time and it will stop. anec-data is not that reliable of course.

I've had my Fenix 5 Plus swapped once during warranty because of this. And the replacement's contacts started to corrode again when I sold the watch. It might not happen to all models, but some are very prone to it.

Just have a look at Google results: https://www.google.com/search?q=garmin+watch+contacts+corrod...

They make little ~rubber caps to cover the charging port when you're not using it. That, and make sure it's dry when you charge it to rule out galvanic nonsense.

Just looked at mine and wondered whether I should 3D print a cover for the contacts from TPU. Thanks for the idea!

edit: Done. :-D Better safe than sorry.

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