ZenWatch 3, with 1.39" 400 x 400 display
Methinks a spec for a round screen should only list the number of pixels at a diameter, and naturally pixels should be 1:1. What if 1.39" refers traditionally to the diagonal of a square 0.98" on a side, ordinarily having 160,000 pixels, out of which merely a large fraction are included for the round face? I know its unlikely, but I CBA to go and check...