How can I remove the activation lock from the apple watch

If you are the original owner then;

How to remove Activation Lock

If you bought the watch from somebody then;

The person that you bought/got this watch from needs to follow all the steps on this page;

Remove the Activation Lock so that the buyer can use it.

If they can't or won't then get your money back or recycle the watch and mark it down as a bad experience.

It tells you on the screen how to remove it. Are you the original purchaser of this Watch, or did you purchase it second-hand from an individual? That helps determine how to try and remove Activation Lock.