GPS enables distance tracking of runs that aren’t on tracks. It could also allow turn by turn navigation if this thing had an sd card slot (4mb of storage isn’t going to carry many maps).
You could also use it as a bike speedometer or a running pace monitor.
(Though, the battery may be too small for all these use cases.)
A couple KB should be enough for turn-by-turn navigation if you plan the route on a smartphone and then upload the map of the route and immediate area to the watch. You really only need a graph of GPS waypoints that you can navigate between
You could also use it as a bike speedometer or a running pace monitor.
(Though, the battery may be too small for all these use cases.)