How a mechanical watch works by Jacob O'Neal. 7:20 video.
https://www.youtube.com/watch?v=9_QsCLYs2mY
Previously:
https://www.homemadetools.net/forum/...789#post159858
https://www.homemadetools.net/forum/...649#post178303
https://www.homemadetools.net/forum/...532#post177968
https://www.homemadetools.net/forum/...374#post131340
https://www.homemadetools.net/forum/...956#post156810
