When you press the watch’s alarm button, up to 12 personal contacts are alerted by notifications to the free SmartWatcher® app. All the helpers need to have installed the free SmartWatcher® app. These helpers can talk to you via your watch’s built-in microphone and speaker and see your location on the app’s map.
In the watch management portal, the frequency of the app push notification can be adjusted under "Watch Settings" in the "Periodic alert notification".
In the video below, you can find a demonstration of an alert with a FRIENDS & FAMILY subscription: