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: New York, New York
Years of Operation: 1892-1922
Total Production: ~100,000,000
Waterbury Clock Co. purchased the Ingersoll brand in 1922
The Robert H. Ingersoll & Bros. company is founded with offices in New York City and a factory in Trenton, New Jersey.
The Robert H. Ingersoll & Bros. watch is manufactured.
The Trenton Watch Co. is purchased by Robert H. Ingersoll & Bros. This results in watches being branded as "Ingersoll-Trenton."
Robert H. Ingersoll & Bros. is absorbed by the Waterbury Clock Co.