Gruen 515SS = Jeambrun 26D

Description

This movement was rebranded or got an additional name and is originally a Jeambrun 26D.

**Hint:** The jewel count, the types of balances used, and the shock protections employed refer only to the specimens held in the archive and are therefore not relevant for the precise identification of the movement.
Manufacturer:	Gruen
Caliber:	515SS
Size:	11 1/2'''
A/h:	18000
Escapement:	Pallet lever
Balance types:	Glucydur screw balance (two legs)