Welcome to Cas-Ker's page of Rockford Pocket Watch Mainsprings! Cas-Ker has Rockford Mainsprings and other Rockford pocket watch parts. We carry thousands of pocket watch, wrist watch, and clock parts. Watch and clock tools too!
Experience the best service in the watch material business. We carry all available brands of watch material including crystals. For fast and efficient service, send your next parts order to Cas-Ker, where material is our main business.
Click "View Options" to view mainspring factory numbers, sizes and strengths.