So in order
link to officially test out
link the caliber 9012 Lederer had to pay a visit to Germany's University of Heilbronn where a unique high-precision laser instrument was eventually used to
link determine and certify the movement frequency by tracking exactly how quickly the spokes of the balance wheel interrupted the beam. For what it's worth the Central Impulse Chronometer runs at 3 Hz a touch faster than the Daniels' Space Traveller.