sw 2/10 Pierce mainspring 12S 125 170 177

1 mainspring / Ressort de barillet / Zugfeder / (1 piece)

New old stock / neuf de stock

Same mainspring for following calibers : Pierce 12S 125 170 177  / Wittnauer 52 / AM 160 / Recta 19" A

Le prix est pour 1 ressort / The price is for 1 mainspring

Livraison sous film neutre / Shipping in neutral zip bag (the last one will be shipped with the original Usibel packet)