1625 Watch Mainspring 5.60 x 0.24 x 770 (30 1/2")(Calibers in description)
Dimensions: 5.60 x 0.24 x 770 (30 1/2")
End Type: Tongue End
Material: Swiss Made Unbreakable
Calibers:
Looping 10 (time), Looping 11 (time)

Description
Dimensions: 5.60 x 0.24 x 770 (30 1/2")
End Type: Tongue End
Material: Swiss Made Unbreakable
Calibers:
Looping 10 (time), Looping 11 (time)
