Apple Watch

If you can’t get the information to unlock the watch then it is pretty much useless to you. This is a safety feature to prevent unauthorized sales of Apple items. Contact the seller for the information and if they can’t provide it ask for your money back if possible.

contact facebook support and hear if they can somehow help you, otherwise you have learned an expensive life lesson

activation lock is not a thing on the watch it's a theft protection on apples servers

it needs to be removed

About Activation Lock on your

Apple Watch - Apple Support

if you don't know your appleID password If you have

forgotten your Apple ID

password – Apple Support (UK)

then you will need the assistance of apple Activation Lock - Support

(apple.com)

and or

Apple Support

And or

Contact - Official Apple Support

and or

Genius Bar Reservation and Apple

Support Options - Apple

My watch was stolen late March. It was a black SE 2nd gen