ETA balance staff 2850 2851 2852 2853 2858 2859 2870 2871 2872 2873 2878 2879

1 Axe de balancier ETA / 1 ETA balance staff

Original ETA part 728 / 723

Neuf de stock / New old stock
Same balance staff for all following calibers :

2850 2851 2852 2853 2858 2859 2870 2871 2872 2873 2878 2879

Le prix est pour 1 axe / The price is for 1 staff

Livraison sous film neutre / Shipping in neutral zip bag (the last one will be shipped with the ETA packet)