password

If you mean the Apple ID password, have you tried resetting the password on the phone the watch is paired to?

If you know the current password.

 Apple ID Password Change.      

 What to do after you change your Apple ID or password - Apple Support     I suggest doing this before you change your Apple ID or password.

If you forgot the Apple ID password, enter the Apple (iCloud) ID, and click Forgot Password. See if you can get a Rescue or Notification email option if necessary. Link to contact Apple Support at the end of the 2nd article.

Apple ID - Manage            

Apple ID – Forgot Password            

Hi yamsonyvette,

It looks like you forgot the passcode for your Apple Watch. If that's correct, check out this resource.

If you forgot your Apple Watch passcode

This should help.

Cheers.