Activation lock on iPhone watch
Don’t have previous owners Apple ID to unlock or bypass activate lock
This support article has information about Activation Lock on your Apple Watch and how to turn it off. --> About Activation Lock - Apple Support
- Apple can completely reset a device if a person can provide sufficient evidence of valid ownership. Do this online at: Activation Lock support request - https://al-support.apple.com/#/additional-support Apple says, "Proof of ownership documentation is required," but does not state what currently constitutes proof. Prior to this new online service Apple typically required the original receipt issued by an Apple Authorized dealer and documented provenance (so typically it would be the original owner who does this, or a descendant with legal proof of ownership). Apple recommends you keep your receipt after you buy an Apple device. --> Keep your receipt after you buy an Apple device - Apple Support
If you have neither the original receipt for the purchase fro Apple, nor the owner's account information, the Watch is useless to you.