It looks like this is on the same chassis as the iphone 8 (5.45" in the longest dimension) whereas the old iphone SE was on the same chassis as the 5 and 5S (4.

It looks like this is on the same chassis as the iphone 8 (5.45" in the longest dimension) whereas the old iphone SE was on the same chassis as the 5 and 5S (4.87" in the longest dimension).