GBW (GPS-Based Watch)

How does it work?
The system consists of two sets of watches. One is called tracker watch and other is called the guardian watch.
1. Tracker watch has a GPS SIM-based tracker. It also has an easy removable watch-based design. You can add any design of watch you like on the top of this wearable tracker because, to be honest no one wants to wear same design of watch for forever, so, In order to bring unique taste in the watch I have designed in a way that one can easily change the design of watch on top. There is a small button on the left side of the watch when pressed it will notify the guardian.
2. Guardian watch has a unique system it can track up to three different tracker watches. If someone from one of those three linked watches presses the button for help the green button lights up and you can see their location on the map on a special app (on which I am working on right now) and you can notify the police. If the red button lights up that would indicate that the tracker is go