If you’re experiencing issues with your Apple Watch, resetting it to its factory settings can help. Here’s how to do it:
Unpair and Erase Your Apple Watch
Open the Apple Watch app on your iPhone.
Go to the My Watch tab and tap All Watches.
Tap the info button next to the watch that you want to unpair.
Tap Unpair Apple Watch.
Tap Unpair [your Apple Watch name].
Type your Apple ID password to disable Activation Lock, then tap Unpair.
On your Apple Watch, tap Settings > General > Reset > Erase All Content and Settings.
Type your password if prompted.
Tap Erase All to confirm.
Force Restart Your Apple Watch
If your Apple Watch is frozen or unresponsive, you can force restart it by following these steps:
Press and hold both the side button and Digital Crown for at least 10 seconds.
Release both buttons when the Apple logo appears.
That’s it! Your Apple Watch should now be reset to its factory settings.
I hope this helps!