An Apple Watch will last about three years before its performance noticeably declines and the battery needs to be replaced. At five years, most users will want to upgrade their Apple Watch regardless of whether it still runs.
Why is my Iwatch dying so fast?
The single most common cause of Apple Watch battery drain happens after iOS updates that cause glitches. From connection disruption to rogue processes, un-pairing and unpairing your Apple Watch can get everything back to normal: Open the Watch app from your iPhone Home screen. Tap Unpair Apple Watch to confirm.
Why is my Apple Watch not lasting all day?
Restart both your iPhone and your Apple Watch, turning both off together and then restarting your iPhone first: Restart your iPhone, iPad, or iPod touch - Apple Support. Restart your Apple Watch - Apple Support. If the issue persists, next close open apps on your iPhone and then restart both devices again.
Is the Series 3 Apple Watch waterproof?
Apple Watch Series 3 has a water resistance rating of 50 meters under ISO standard 22810:2010. This means that it may be used for shallow-water activities like swimming in a pool or ocean.