Angelus balance staff 15"' Chronogr. (ht.453)

1 Angelus balance staff / 1 axe de balancier Angelus

Neuf de stock / New old stock (some signs of age, hard to see on pics, only cosmetic, pivots are ok)
Caliber 15"' Chronogr. (not for 210 215 216 217...)

This balance staff is for the very rare and old model 15"' chronogr.

Compared to models 215/216/217, the height is shorter, 453 instead of 460 and the roller is bigger 57 instead of 49 (look at the Bergeon catalog on pics)

Dimensions : Height 453 / half-height 212 / balance arbor 110 / hairspring collet 71 / roller 57