My Apple watch locked how to unloked

If this is about the Activation Lock on your Apple Watch and you have forgotten the password for the shown Apple ID, you can reset the Apple ID password, as explained in this article:

If you forgot your Apple ID password - Apple Support

If you have proof of purchase, you can reach out to the official Apple Support and ask them to disable the Activation Lock.

Have a look at the related article:

Additional Support - Activation Lock

If you have to reset the passcode for the Lock Screen, have a look at the steps in this related article:

If you forget your Apple Watch passcode - Apple Support