Hard reset apple watch
Is there a way to hard reset my apple watch series 1 because I can't remember my user ID or password and don't have my old apple devices to reset and unlock my apple watch?
Activation Lock is designed to prevent anyone else from using an Apple Watch if it's ever lost or stolen.
About Activation Lock on your Apple Watch - Apple Support
If you are the ORIGINAL owner, then see the 'Start a support request' section in:
How to remove Activation Lock - Apple Support