Product Description
Hamilton 648 690 Automatic mainspring. 6
Height 1.30mm
Width 0.10mm
length 340mm
barrel inner width 10mm
Photo of mainspring is for reference only not exact photo of the item.
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Hamilton 648 690 Automatic mainspring. 6
Height 1.30mm
Width 0.10mm
length 340mm
barrel inner width 10mm
Photo of mainspring is for reference only not exact photo of the item.