Omega balance staff 13''' Vieux Souverain (ht.412 / Pivot 11)

Neuf de stock / New old stock

1 Axe de balancier / 1 Balance staff :

For extremely rare Omega 13''' caliber Vieux / Souverain (not for others Omega 13"' calibers)

Almost similar to Omega 13"' NN but a little bit longer

Dimensions : 412 height / 215 half-height / 100 balance arbor / 58 roller / 75 hairspring collet

Diameter of the pivot 0.11 mm