The Pocket Watch Database has compiled data covering the major American pocket watch manufacturers and created an easy way to find information using the serial number on the watch movement. Here are a few tips to find information about your pocket watch:
Location: Chicago, Illinois
Years of Operation: 1883-1895
Specialty: Finely finished self-winding movements made by hand.
Production Jewels: 19 Jewels
Production Sizes: 18s
Total Production: ~34
[Chicago Self-Winding Watch Co.]
Herman Vo Der Heydt, a masterful watchmaker, moves to Chicago from Weisbaden, Germany.
Hermon von der Heydt begins manufacturing self-winding watches.
Hermon von der Heydt is issued a U.S. Patent for his self-winding watch movement.
After creating only 34 movement, Hermon von der Heydt ceases operations.