I have recently became interested with the inner workings of watches and found this 1949 video to be a perfect explanation of the underlying concept of a watch

I have recently became interested with the inner workings of watches and found this 1949 video to be a perfect explanation of the underlying concept of a watch movement mechanism: https://www.youtube.com/watch?v=WYBvt9kA3bE https://www.youtube.com/watch?v=WYBvt9kA3bE