Balance cock

Balance cock

other languages: de ru

121 - Balance cock for hairspring, ohne Stoßsicherung

121/5 - Unruhkloben für Flachspirale, ohne Stoßsicherung, für Feinregulierung

Upper part of the balance mechanism which bears the balance staff. The downward part on which the balance staff is mounted is called lower plate.

Breguet spring