There are watches that are called "slow watch" which has a single hand and a dial that goes from 0 to 24. They kinda make more sense than regular watches.

https://www.youtube.com/watch?v=0QVPUIRGthI : reminded me of this, my Dad used to love this!

Don't make me start telling you the time in bells

It’s a lot of different things it’s design is based on the sundial, we already had base 12 time

Wikipedia page for base 12, the origin is a fun read and while I can’t say it’s all accurate, the parts I know are

https://en.m.wikipedia.org/wiki/Duodecimal