Unbreakable Mainspring MS-312B
Unbreakable Mainspring MS-312B Dennison/US Standard Size (inches): 3 x 12 x 8 Metric Size: 1.23 x .09. Tongue End Type. (TON)
$16.95
in stock
SKU MS-312B
White alloy unbreakable mainspring for watches, with Tongue Type end.
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