South Bend Mainsprings

Cas-Ker has South Bend Mainsprings and thousands more watch parts.

We offer 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.

Cas-Ker Co.
2550 Civic Center Drive | Cincinnati, OH 45231 | CALL 800-487-0408 | FAX 800-487-5848 | Cincinnati 513-674-7700


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