It is very common for someone forgetful to lost their phone somewhere around their home and starts panicking. However, Google have solve this problem for you!
In the latest Android Wear update, Google integrated Android device manager into Android Wear which connects to the smartphone. By saying “Ok,Google, Start, Find My Phone” command, the android wear smartwatch will connect to the phone and start ringing alert.
This features is expected to be implemented in latest Google Android Wear update in upcoming weeks. However, this features is only efficient in finding device in short distance only.