Girard-Perregaux Microvar variable
The result of Girard-Perregaux's chronometric research, the Microvar balance features six adjustable screws and two balance weights on its rim, used respectively to set the balance's equilibrium and enable fine adjustment of the movement. This exclusive development ensures increased precision and more stable adjustment.
- Glucydur balance wheel
- 6 external gold screws for setting the balance's equilibrium and general setting of the rate
- 2 Glucydur balance weights for fine rate adjustments (+/- 40 seconds per day)
- 1 eccentric for fine adjustment of the guide mark