AS mainspring 1782 1783 Automatic inox

AS 1782 Mainspring / Ressort de barillet / Zugfeder

New old stock / neuf de stock

Inox premium quality

Same mainspring for all AS following automatic calibers :

AS 1782 1783

Bride glissante pour mouvement automatique / With attached bridle for automatic movement

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