new phone old apple watch do not know Apple id or password used. how can I pair to new phone
new iphone, do not know old apple id or password used to pair to old phone to original watch. how can I pair to new phone?
Apple Watch
Try both of these. If you can't recover the ID it was locked with the watch can't be unlocked and is useless.
If you forgot your Apple ID - Apple Support
If you forgot your Apple ID password - Apple Support