Unbreakable Mainspring MS-313B
Unbreakable Mainspring MS-313B Dennison/US Standard Size (inches): 3 x 13 x 8 Metric Size: 1.20 x .08. Tongue End Type. (TON)
$16.95
in stock
SKU MS-313B
White alloy unbreakable mainspring for watches, with Tongue Type end.
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