Unbreakable Mainspring MS-112R
Unbreakable Mainspring MS-112R Dennison/US Standard Size (inches): 1 x 12 x 14 Metric Size: 1.00 x .09. Tongue End Type. (TON)
$16.95 in stockSKU MS-112R
White alloy unbreakable mainspring for watches, with Tongue Type end.
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