0552 Watch Mainspring 1.30 x 0.12 x 267 (10 1/2") (Calibers in description)
Dimensions: Β 1.30 x 0.12 x 267 (10 1/2")
End Type: tongue end
Material: Swiss Made blue steel
Calibers:Β
Gruen 640, Gruen 641

Description
Dimensions: Β 1.30 x 0.12 x 267 (10 1/2")
End Type: tongue end
Material: Swiss Made blue steel
Calibers:Β
Gruen 640, Gruen 641
