Vintage video (1949) from Hamilton Watch Co. explaining how a mechanical watch works.

This short movie gives a simple demonstration of the working principle of a mechanical watch. "The inside story of a fine watch" is shown on a giant in-line movement, exact and to scale in every detail. The function of each part is demonstrated as the huge watch is assembled and disassembled.

This is a shorten version of the original movie (1949) produced by the Jam Handy Orginization for Hamilton Watch Company.

The original version can be downloaded on archive.org
(http://archive.org/details/HowaWatc1949)