So I keep randomly getting this message on my series 7 AW, I’m currently using a material band with no magnetic catch or anything, so a bit confused as to watch could be causing it?
Even non magnetic metal can cause interference for the watch. Big ships for example, also have a magnetic compass, but due to the vast size of the ship (metal) it will cause interference for the compass.
Probably you beeing in a car causes interference I think.