Self Winding Master Clock Hourly Synchronizer - How it works
12:14
IBM Master Clock - Slave Clock Automatic Correction. How it works
6:37
Watch the Self Winding Subsidiary clock movement hands synchronizing on the hour.
22:52
Clock Dial Restoration - Dial Silvering Part 1
3:06
A Clock that Winds Itself (How a Self-Winding Clock Works)
7:16
Serial #'s - Self Winding Clock Company "F" movement - What they reveal
6:39
Self Winding Clock Co. Slave (Secondary) Clocks. Uncommon and very interesting.
17:35
Fonctionnement d'une montre à quartz - son cœur bat 32 768 fois par seconde
6:11