Are Smartwatches Really Waterproof?

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It’s a safe assumption these days that every smartwatch and fitness tracker can be taken into the shower, rinsed off when you wash your hands, or worn into a pool. Many have swimming modes, or water lock features that suggest they can be used while wet. And yet, people keep finding out that the watch they thought was waterproof isn’t. 

For example, this Redditor’s Galaxy Watch 5 Pro (released in 2022) died this year during an ocean swim, with signs of salt corrosion inside.