After my post below, I continued waxing nostalgic for my childhood cuckoo clock . . . and then I found the very one on Etsy!
Alas, it is way out of my budget. But it is lovely. And someone should love it. I'm also a big fan of this alternative budget version by decoylab, especially since it is Gocco'ed:
Love the cheery folk motif and the bright orange. There are also several other colors available in their shop.