Upgrade your Hermle clock with the #54 mainspring, designed for optimal performance and durability. This mainspring measures 53/64″ (21mm) in width, .0165″ (.42mm) in strength, and 74-13/16″ (1900mm) in length. Perfect for ensuring smooth operation and extending the life of your clock, itβs an essential replacement for clock enthusiasts and restorers alike.
- (800) 334-0135 or (541) 471-0194
- info@ronellclock.com
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