Replace your Hermle clock’s mainspring with this high-quality option: 43/64″ (17mm) wide, .0175″ (.45mm) strong, and 58-5/8″ (1490mm) long. Ideal for ensuring optimal performance and longevity. Perfect for clock enthusiasts and restorers.
- (800) 334-0135 or (541) 471-0194
- info@ronellclock.com
- Mon - Thur: 9am-4pm & Fri 9am-12pm (Pacific Time)