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0186 Watch Mainspring 1.05 x 0.075 x 171 (6 3/4 ")(Calibers in description)
Dimensions: 1.05 x 0.075 x 171 (6 3/4 ")
End Type: Tongue End
Material: Swiss Made blue steel
Fits Calibers:
Gruen 290
$21.25
0186 Watch Mainspring 1.05 x 0.075 x 171 (6 3/4 ")(Calibers in description)—
$21.25
Description
Dimensions: 1.05 x 0.075 x 171 (6 3/4 ")
End Type: Tongue End
Material: Swiss Made blue steel
Fits Calibers:
Gruen 290