Balance cock

Balance cock

121 - Balance cock for hairspring, without shock-absorber

121/5 - Balance cock for hairspring, without shock-absorber , for swan-neck fine adjustment

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.

Parts Number

-121 - Balance cock for hairspring, without shock-absorber

-121/1 - Balance cock for hairspring, with shock-absorber

-122 - Balance cock for Breguet spring, without shock-absorber

-122/1 - Balance cock for Breguet spring, with shock-absorber