1131 Watch Mainspring 1.80 x 0.18 x 470 (18 1/2")(Calibers in description)
Dimensions: 1.80 x 0.18 x 470 (18 1/2")
End Type: Hook End
Material: Swiss Made Blue Steel
Calibers:Β
Cyma 771, Omega 12 size Omega 17L, Omega 17LB, Omega12 size Regina, Sonceboz 207/28/12

Description
Dimensions: 1.80 x 0.18 x 470 (18 1/2")
End Type: Hook End
Material: Swiss Made Blue Steel
Calibers:Β
Cyma 771, Omega 12 size Omega 17L, Omega 17LB, Omega12 size Regina, Sonceboz 207/28/12
