1255 Watch Mainspring 2.40 x 0.19 x 521 (20 1/2")(Calibers in description)
Dimensions: 2.40 x 0.19 x 521 (20 1/2")
End Type: T End
Material:ย Swiss Made Unbreakable
Calibers:ย
Longines 18.50N

Description
Dimensions: 2.40 x 0.19 x 521 (20 1/2")
End Type: T End
Material:ย Swiss Made Unbreakable
Calibers:ย
Longines 18.50N
