Unbreakable Mainspring MS-312H
Unbreakable Mainspring MS-312H Dennison/US Standard Size (inches): 3 x 12 x 10-1/2 Metric Size: 1.20 x .09. Tongue End Type. (TON)
$16.95
in stock
SKU MS-312H
White alloy unbreakable mainspring for watches, with Tongue Type end.
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