There are a few different ways to reset your Apple Watch, depending on whether you have your iPhone with you or not.

How to Reset Apple Watch Using Your iPhone?

1. Make sure your Apple Watch and iPhone are close together.
2. Open the Apple Watch app on your iPhone.
3. Tap the My Watch tab.
4. Tap General > Reset.
5. Tap Erase Apple Watch Content and Settings.
6. If you have a GPS + Cellular model, you will be asked if you want to keep or remove your cellular plan. Choose the option that you want.
7. Tap Erase All Content and Settings to confirm.

This will erase all of your data and settings from your Apple Watch and unpair it from your iPhone. You will then need to set up your Apple Watch again as if it were new.

How to Reset Apple Watch Without iPhone?

1. On your Apple Watch, open the Settings app.
2. Tap General > Reset.
3. Tap Erase All Content and Settings.
4. If prompted, enter your passcode.
5. For GPS + Cellular models, choose to keep or remove your cellular plan. Choose the option that you want.
6. Wait for your Apple Watch to erase. When it is done, it will restart and you will be asked to set it up again as if it were new.

This will erase all of your data and settings from your Apple Watch, but it will not unpair it from your iPhone. If you want to unpair your Apple Watch from your iPhone, you will need to do so using the Apple Watch app on your iPhone.

How to Reset Apple Watch if You Forgot Your Passcode?

1. Put your watch on its charger and keep it there until you complete these steps.
2. Press and hold the side button until you see the power button in the upper-right corner of the display.
3. Press and hold the Digital Crown until you see Erase all content and settings.
4. Tap Reset, then tap Reset again to confirm.
5. Wait for the process to finish, then set up your Apple Watch again. When asked, restore from a backup.

Tips

• If you are resetting your Apple Watch because you are giving it to someone else, you should first erase it from your iCloud account. This will prevent the new owner from accessing your data.
• If you are having trouble resetting your Apple Watch, you can contact Apple support for help.

I hope this helps!