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0337 Watch Mainspring 1.18 x 0.105 x 250 (9 3/4 ")(Calibers in description)

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0337 Watch Mainspring 1.18 x 0.105 x 250 (9 3/4 ")(Calibers in description)

Dimensions: 1.18 x 0.105 x 250 (9 3/4 ")

End Type: Tongue End

Material: Swiss Made blue steel

Fits Calibers:

Gruen 430, Gruen 440

$15.54

0337 Watch Mainspring 1.18 x 0.105 x 250 (9 3/4 ")(Calibers in description)—

$15.54

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Description

Dimensions: 1.18 x 0.105 x 250 (9 3/4 ")

End Type: Tongue End

Material: Swiss Made blue steel

Fits Calibers:

Gruen 430, Gruen 440