0409 Watch Mainspring 1.20 x 0.15 x 533 (21") (Calibers in description)
Dimensions: Ā 1.20 x 0.15 x 533 (21")
End Type: Tongue end
Material: Swiss Made blue steel
Calibers: Wittnauer 17T

Description
Dimensions: Ā 1.20 x 0.15 x 533 (21")
End Type: Tongue end
Material: Swiss Made blue steel
Calibers: Wittnauer 17T
