I got an answer back!
Thanks for reaching out!
All the fonts you indicated—Scelet AF, Sienar AF, Rogue AF, and Aurebesh AF—are free to use for non-commercial projects.
From your email, it sounds as though the watch faces will be free to download. If that is the case, you're good to go!
I would appreciate attribution to AurekFonts, as you suggested, (though I don't think these licenses technically require it).
And lastly, I'd love to see what you make! Feel free to send me links or images when you have them! (You can also tag me on twitter @AurekFonts.)
Again, thanks for reaching out. I can't wait to see what you make!