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: Lancaster, Pennsylvania
Years of Operation: 1886-1891
Production Jewels: 7-20 Jewels
Production Sizes: 18s, 8s, 6s
Originated from the Lancaster Watch Co. and purchased by Hamilton Watch Co., 1891
Keystone Standard Watch Co. begins operations.
Keystone Standard Watch Co. ceases operations.