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1290 Watch Mainspring 2.70 x 0.19 x 520 (20 1/2")(Calibers in description)

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1290 Watch Mainspring 2.70 x 0.19 x 520 (20 1/2")(Calibers in description)

Dimensions: 2.70 x 0.19 x 520 (20 1/2")

End Type: T End

Material: Swiss Made Blue Steel

Calibers: 

16 size Illinois 573A

$7.73

Original: $22.09

-65%
1290 Watch Mainspring 2.70 x 0.19 x 520 (20 1/2")(Calibers in description)

$22.09

$7.73

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Description

Dimensions: 2.70 x 0.19 x 520 (20 1/2")

End Type: T End

Material: Swiss Made Blue Steel

Calibers: 

16 size Illinois 573A