1383 Watch Mainspring 3.20 x 0.185 x 641 (25 1/4")(Calibers in description)
Dimensions: 3.20 x 0.185 x 641 (25 1/4")
End Type: Motor Barrel
Material: Swiss Made Blue Steel
Calibers:
Hamilton mainspring # 14, Hamilton mainspring # 718010, Hamilton 944 (serial # 0 to 479000), Hamilton 946 (serial # 0 to 479000)
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Shipping & Returns

1383 Watch Mainspring 3.20 x 0.185 x 641 (25 1/4")(Calibers in description)
1383 Watch Mainspring 3.20 x 0.185 x 641 (25 1/4")(Calibers in description)
Dimensions: 3.20 x 0.185 x 641 (25 1/4")
End Type: Motor Barrel
Material: Swiss Made Blue Steel
Calibers:
Hamilton mainspring # 14, Hamilton mainspring # 718010, Hamilton 944 (serial # 0 to 479000), Hamilton 946 (serial # 0 to 479000)
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Dimensions: 3.20 x 0.185 x 641 (25 1/4")
End Type: Motor Barrel
Material: Swiss Made Blue Steel
Calibers:
Hamilton mainspring # 14, Hamilton mainspring # 718010, Hamilton 944 (serial # 0 to 479000), Hamilton 946 (serial # 0 to 479000)