I'm a big fan of watches.
I added another old timepiece to my tiny collection today when this mesmerizing little wristwatch (Sekoda, USSR make from cca 1965) arrived by the post.
It's just fascinating to see how these tiny parts in a small case work together literally endlessly with great precision and I do appreciate the mastemind behind. Once in a while I read a few articles on the subject and today I found this video from 1949 explaining how a watch mechanism works. Funny thing is that the overall construction of a mechanical watch has not changed since then so the video material is still pretty much up to date.
If you are interested and a have a few minutes to get into a certainly magical subject, just watch this: