Hanhart mainspring 40 41 42 44 50 51 52 54 chronograph

1 Hanhart 40 41 42 44 50 51 52 54 chronograph mainspring / 1 Ressort de barillet / Zugfeder / Aufzugfeder

New old stock / neuf de stock

Inox premium quality

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

The last one will be shipped with the Usibel envelope on pics