The back of that is prettier than the front. If you can't fix back into a working watch you might consider making it into some other piece of jewelry.
Oh yeah - the decent movements are absolute works of art. Thing is - how much can you really add? "Watch parts earrings" is already a category; if you type "watch parts" into Etsy's search it will give you twelve autocompletes. Taking something that was once functional jewelry and turning it into something that is no longer functional jewelry is kind of the hallmark of shitty crafts.
Oh shit you just stepped in it Friend of mine: Another friend of mine: One of my "happy place" videos, which you are now required to watch in its entirety: It is fair to say that I have an interest in automata. It's also fair to say that I've done presentations on automata. More than that... I'm not interested in saying just yet.