A handful of good perpetual movement clock powerplan I located:
Perpetual Motion Art on Vimeo
Image by funkeemunkeeland
For sale in a chotsky shop in St. John's Pass , FL. All hand carved wood and makes use of a weight like a cuckoo clock to run the pieces. Not definitely perpetual motion but nifty craftmanship.
This is a frame from a video. You can watch it on