So I bought an apple watch from somebody and she has completely disconnected it from everything and when I try to pair it with my phone still has the activation lock. The watch will also say that it is paired but my phone will say unpairing with watch.
The previous owner has to disable the Activation Lock and remove the Apple Watch from the list of the registered devices.
Have a look at this article:
About Activation Lock on your Apple Watch - Apple Support
The previous owner can also do that online:
...
Turn off Activation Lock on the web
If you can't access your iPhone or Apple Watch, or if your Apple Watch isn't paired with your iPhone and you need to turn off Activation Lock:
next to your Apple Watch....
copied from: About Activation Lock on your Apple Watch - Apple Support
The previous owner has to disable the Activation Lock and remove the Apple Watch from the list of the registered devices.
Have a look at this article:
About Activation Lock on your Apple Watch - Apple Support
The previous owner can also do that online:
...
Turn off Activation Lock on the web
If you can't access your iPhone or Apple Watch, or if your Apple Watch isn't paired with your iPhone and you need to turn off Activation Lock:
next to your Apple Watch....
copied from: About Activation Lock on your Apple Watch - Apple Support
Apple watch not connecting
