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Hermle Spring & Barrel #55

Hermle Spring & Barrel #55

  • 4500


HBC55 Spring and Barrel for Hermle movements. Fits chime side train on 351-031, 351-051, and 1050-020. #55 would be stamped on the barrel. Measurements of actual mainspring: 21mm x .45mm x 1800mm. Caution on Removal.