Calibre 1520 is a manual-winding movement manufactured by F.P. Journe. Introduced in 2010, it features twin independent balance wheels oscillating in acoustic resonance, a principle theorized by Huygens in 1665. The movement includes a dual time display, remontoir d'égalité on each train, and a differential gear for consistent energy delivery, with a 42-hour power reserve. F.P. Journe remains the only modern watchmaker to successfully achieve resonance in a production timepiece. The Chronomètre à Résonance is currently in production.
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Jewel Count
62 jewels
Power Reserve
42h
Frequency
21,600 vph (3 Hz)
Diameter
34.6mm
Height
6.9mm
Display Type
Analog
QUICK FACTS
BRAND
TYPE
Manual WindingSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2010CALIBER FAMILY
1520ALSO KNOWN AS
FOR WATCH DEALERS
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Watches with this movement
F.P. Journe
Chronomètre à Résonance Fondation Prince Albert II de Monaco 2024
FPJ-5051
F.P. Journe
Chronomètre à Résonance
RQ-3407
F.P. Journe
Chronomètre à Résonance
RQ-3409
F.P. Journe
Chronomètre à Résonance
RQ-3491
F.P. Journe
Chronomètre à Résonance
RQ-3492
F.P. Journe
Chronomètre à Résonance Black Label
RQ-3856
F.P. Journe
Boutique Edition - Chronomètre à Résonance
RQ-3947
F.P. Journe
Boutique Edition - Chronomètre à Résonance
RT-4849