Product Description
Waltham 18 Size Swiss made self lubricating mainspring.
Height 2.90mm
Width 0.22mm
length 540mm
barrel inner width 17mm
T end
Photo of mainspring is for reference only not exact photo of the item.
Waltham 18 Size Swiss made self lubricating mainspring.
Height 2.90mm
Width 0.22mm
length 540mm
barrel inner width 17mm
T end
Photo of mainspring is for reference only not exact photo of the item.