Oh, please, no.It would be nice if they would make it so that people could design their own watch faces with a simple builder interface on the phone, but of course that will never happen.
Have you ever seen one of those barely usable Android phones with custom icons and huge comic sans letters? That’s the kind of thing that Apple wants to avoid on devices developed by arguably the best designers available.
It affects their image too. It’s the reason why you can buy a cheap plastic watch with your partner’s picture printed on it and not a Rolex.