This doesn't work unless you have opened one of the items listed. If you unlock 1Password 6 on the Watch with the passcode and then Force Touch on the list of items that is displayed without opening any of them, the Lock button is displayed but touching it only returns you back to the list.
1Password Version: 6
Extension Version: Not Provided
OS Version: iOS 9
Sync Type: Not Provided
Referrer: forum-search:watch lock