I think you know how to begin this and to turn on/off ticking.
Inspired by Junghans. You might remember this one from the May 19 2010 update, but this was actually one of several clocks that was bought by the Doe on July 17, 2010. The final piece of the Original Oldies puzzle is next: the T&N Double-Face Square Slave with Search Hand. https://scratch.mit.edu/projects/1376875489/