0521 Watch Mainspring 1.30 x 0.10 x 241 (9 1/2") (Calibers in description)
Dimensions: Ā 1.30 x 0.10 x 241 (9 1/2")
End Type: Tongue End
Material: Swiss Made blue steelĀ
Calibers:Ā
AS 656, 657, 658, 659, 679, 755
EB 579
Junghans 91
Lanco 560, 862
Product Information
Product Information
Shipping & Returns
Shipping & Returns

0521 Watch Mainspring 1.30 x 0.10 x 241 (9 1/2") (Calibers in description)
0521 Watch Mainspring 1.30 x 0.10 x 241 (9 1/2") (Calibers in description)
Dimensions: Ā 1.30 x 0.10 x 241 (9 1/2")
End Type: Tongue End
Material: Swiss Made blue steelĀ
Calibers:Ā
AS 656, 657, 658, 659, 679, 755
EB 579
Junghans 91
Lanco 560, 862
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Dimensions: Ā 1.30 x 0.10 x 241 (9 1/2")
End Type: Tongue End
Material: Swiss Made blue steelĀ
Calibers:Ā
AS 656, 657, 658, 659, 679, 755
EB 579
Junghans 91
Lanco 560, 862