Try what?
Heh...read up
1) Turn on wifi hotspot on your iPhone.
2) Have your mac or macbook connect to it
3) Turn off your AP
4) Turn off your bluetooth on the iPhone
5) See if the watch has network connectivity (i.e., connects to the iPhone hotspot)
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That makes sense. Does it constantly update new SSIDs or only use the ones on the phone and setup?
New networks added to your phone should automagically populate on the watch.