Vacheron balance staff 446 2B (7"') / Ronda 3962

Vacheron Constantin balance staff / axe de balancier

New old stock / Neuf de stock
Cal : 446/2B (not for 446/1B , the diameter of the roller is different, 30 instead of 27 for the 2B)

Dimensions : 271 height / 155 half-height / 60 balance arbor / roller 27 / hairspring collet 35

Size 7"'

Ronda code 3962
Livraison sous film neutre / Shipping in neutral zip bag