Bulova balance staff 10BZ 10BZAC 10BZC 10BZACD

1 Axe de balancier Bulova / 1 Bulova balance staff

Neuf de stock / New old stock (packet only opened in order to make pictures)

Axe identique pour les calibres suivants / Same balance staff for all following calibers :
10BZ 10BZAC 10BZC 10BZACD

Original Bulova part