apple watch error wrong passcode

what to do to fix this will depend on how often you entered the passcode incorrectly and if you still have your paired iPhone.

This document lists what to do: If you forgot the passcode for your Apple Watch - Apple Support

If you can't remember the correct passcode you have to erase the watch and set it up again.

If you enter the wrong passcode six times in a row, your Apple Watch locks, and a message asks you to try again later. If you enter the wrong passcode ten times in a row, your watch locks, and a message asks you to re-enable passcode entry from your iPhone. Open the Apple Watch app, tap the My Watch tab, then tap Passcode. After you re-enable passcode entry, you can try to enter your passcode again on your Apple Watch. Depending on your settings, your Apple Watch might automatically erase after you try to enter the passcode ten times.

If you can't remember your passcode, you need to use the steps below to erase the settings and passcode from your Apple Watch, then set it up again. When you set up your watch, you can choose a new passcode and restore your watch from a backup if you have one.

Erase your Apple Watch

If you have your iPhone, you can use the Apple Watch app to erase your Apple Watch. Make sure you keep your Apple Watch and iPhone close together while completing these steps:

1. Open the Apple Watch app and tap the My Watch tab.
2. Tap General > Reset.
3. Tap Erase Apple Watch Content and Settings, then tap again to confirm. You might need to enter your Apple ID password.

If you don't have your paired iPhone, you can still erase your Apple Watch:

1. Keep your Apple Watch on its charger while you complete these steps.
2. Press and hold the side button until you see Power Off.
   
3. Firmly press the Power Off slider, then lift.
4. Tap Erase all content and settings.
   

Set up your Apple Watch again

Use these steps to pair your Apple Watch again. When asked, restore from a backup.