I am guessing it is the Matte finish coating reacting to my natural skin oils
(I kill my Casio watch-bands in 6 months. The become brittle.)
I deliberately rubbed my finger on a un-blemished area. This morning it was wrinkled.
Jason was going to have conversation with the factory if this is not an isolated occurrence.
As long as I can read books on it, it is not a big issue with me.
Reading is #1, #2 and maybe #3
on my requirement list.