"I'm a 6'5" man with large hands who still swears by an SE"
It appears that the SE is 4 inches and the 6S is 4.7. I have a Pixel 3 non-XL and it is 5.5 which seems fine to me. But the Pixel 3 XL at 6.2 was going too far.
Anyway, a real Apple SE[1] has a screen which is a little over 8 inches...