AS mainspring 1051 1085 1102 1108 1137 1152 1258 1262 1271 1275 1292 1296 1301

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

New old stock / neuf de stock

Same mainspring for following calibers :

AS 1051 1085 1102 1108 1137 1152 1258 1262 1271 1275 1292 1296 1301 1324 1374 1385

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 envelope)