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#20/56 Hermle Mainspring
#20/56 (same size)
Measures: 43/64″ (17mm) width x .0150″ (.38mm) strength x 47-1/4″ (1200mm) length
Out of stock
$12.00
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Upgrade your Hermle clock with mainspring #20/56, designed for reliability and performance. #20/56 are the same size. This mainspring measures 43/64″ (17mm) in width, .0150″ (.38mm) in strength, and 47-1/4″ (1200mm) in length. Perfect for ensuring smooth operation and longevity, it’s an essential replacement for clock enthusiasts and restorers.
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