Lip mainspring 135 / Mido 501 / Peseux 280 / Unitas 630 / ETA 1250

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

New old stock / neuf de stock

Same mainspring for following calibers :

Lip 135 Mido 501 Peseux 280 Unitas 630 ETA 1250

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)