1166 Watch Mainspring 1.90 x 0.16 x 483 (19") (Calibers in description)
Dimensions:Β 1.90 x 0.16 x 483 (19")
End Type: Hole End
Material: Swiss Made Unbreakable
Calibers:Β
Howard 12 size, Howard mainspring number 552

Description
Dimensions:Β 1.90 x 0.16 x 483 (19")
End Type: Hole End
Material: Swiss Made Unbreakable
Calibers:Β
Howard 12 size, Howard mainspring number 552
