Caliber: LF 619.01Functions: Hours,
link minutes, seconds, double-spiral tourbillonDiameter: 31.6mmThickness: 5.57mmPower Reserve: 80 hoursWinding: Manually woundFrequency: 3 Hz (21,600 vph)Jewels: 23Total Components: 188Chronometer Certified at
link the Besancon ObservatoryAdditional
link Details: Special ruthenium treatment to plates and bridges
link