earlier post by me and my exchanges with Patekova that explain the differences.
https://www.watchprosite.com/page-wf.forumpost/fi-11/pi-12127731/ti-1368381/s-0/t--hi-all-here-is-a-collage-of-what-i-have-received-thus-far-from-the-owners-of/
Let me know if you have other comments and/or questions.