THE JOURNAL
Brief review of the Jaeger-LeCoultre Duomètre Quantième Lunaire
Jaeger-LeCoultreThe white gold Duomètre Quantième Lunaire continues the brand's exquisite watchmaking craftsmanship spanning over 180 years. The timepiece is refined and detailed, offering horology enthusiasts endless surprises by allowing a glimpse into the operating beauty of the mechanical movement through the dial.

Distinguished and elegant moon phase display
This watch features a curved sapphire crystal case, with a date display function on the left side of the silvery-white opaline dial; the hand-carved moon phase pattern and sparkling stars create a romantic night sky scene, delivering the most poetic expression of time. To the right of the moon phase display window is the hour sub-dial, where the traditional hour markers accentuate its elegant character.
Dual-Wing® dual-wing systemThe watch case houses two independent mechanical mechanisms, which output power respectively for the various display functions and the regulating mechanism of the watch. The two have their own independent power sources, ensuring the watch is more precise and reliable.
A glimpse into the elegance of the mechanical movement6 A jumping seconds sub-dial is positioned at the hour position, and on either side, through understated windows, one can experience the unique charm of the decorative mechanical movement. Beside the bright ruby bearings, the gears, bridges, and mainplate are also clearly visible.
Jaeger-LeCoultre 381 mechanical movement

This manual-winding mechanical movement is composed of 374 parts, with two independent barrel springs providing 50 hours of power reserve respectively.
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