[Razengan]

For some really quirky/weird/cool physical clocks, the British Museum channel has a few great videos:

Curious Clocks and Watches through time with Oliver Cooke | Curator's Corner S8 E1

https://www.youtube.com/watch?v=ywD5kngMuYM

Nice inspiration for world building, especially Steampunk!

[macintux]

I had one of these in my bedroom as a kid. Clearly I slept more deeply than I do now.

https://en.wikipedia.org/wiki/Rolling_ball_clock