1277 Watch Mainspring 2.65 x 0.19 x 533 (21")(Calibers in description)
Dimensions: 2.65 x 0.19 x 533 (21")
End Type: T End
Material: Swiss Made Blue Steel
Calibers:Β
Hampden 16 size mainspring 3696

Description
Dimensions: 2.65 x 0.19 x 533 (21")
End Type: T End
Material: Swiss Made Blue Steel
Calibers:Β
Hampden 16 size mainspring 3696
