If you want to get rid of apple watch here’s how to unpair it from your iPhone and erase all of your data.
Checkout this video:
Open watch app on your iPhone.
Tap the watch tab
Scroll to the bottom and tap the red Unpair Apple Watch button.
If you want to unpair your Apple Watch from your iPhone, you have to do it through the Watch app. Here’s how:
Open the Watch app on your iPhone
Tap the My Watch tab
Scroll to the bottom and tap the red Unpair Apple Watch button
If you’re unpairing because you’re selling or giving away your Apple Watch, you need to unpair it from your iPhone first. Just follow the steps above, then erase all of your content and settings from your device.
Tap Unpair [your Apple Watch’s name] to confirm.
This will unpair your Apple Watch from your iPhone and completely erase all of its data. You’ll need to set it up again as if it were new.