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Glossary of watchmaking

Resonance

Résonance | 共振/キョウシン | 共振

This sophisticated technique, developed by Breguet and applied to wristwatches by François-Paul Journe, implies Two fully independent movements: two mainsprings, two geartrains, two lever escapements and two balances. A rack and pinion adjusts the distance between the two balances (and their escapement).

Through such precise adjustment a position is found where, through the effect of resonance, the balances continually correct each other to maintain maximum precision.