THE JOURNAL
Elegant and Comfortable Jaeger-LeCoultre Master Grande Tradition Tourbillon Cylindrique à Quantième Perpétuel

Minute repeaters occupy a unique position in horological culture by telling the time with distinctive musical tones. They embody the essence of watchmaking artistry. Unlike other complications that involve many complex and precise concepts, the captivating charm of a minute repeater is simple and direct. It captivates through a unique pathway——emotion.
Minute repeating has always been one of Jaeger-LeCoultre's most cherished subjects; the powerful, clear, and melodious sound produced by a minute repeater infuses the present moment with surprise and joy, which is precisely the true mission of the brand.
Previously, Jaeger-LeCoultre crafted numerous minute repeater timepieces equipped with manual winding movements. Now, this intricate complication appears for the first time on an automatic winding mechanical movement, becoming a member of the Master Grande Tradition collection. This watch model is simple and easy to use, allowing the wearer to closely admire its meticulously engraved oscillating weight.
Crystal Gongs, A Brand Signature
A clear, powerful, and melodious chime is the ultimate goal of every master watchmaker. Watchmakers must engage in lengthy exploration and persistent patience to handle the subtle adjustments that rely entirely on experience and even intuition. The sound quality of a repeater depends on the gongs, which produce the sound that is then amplified and enhanced by the case. The gongs impart a unique pitch and character to the timepiece.
Jaeger-LeCoultre has developed crystal gongs made from a secret alloy with a square cross-section, which are capable of producing an exceptionally deep sound. Furthermore, the Master Grande Tradition à Répétition Minutes is equipped with two patented trebuchet hammers that strike the crystal gongs fixed directly beneath the sapphire crystal glass, delivering a powerful and clear acoustic performance. These ingenious designs give the crystal gongs their signature loudspeaker effect.

Music above all
Erratic chimes are meaningless. This new timepiece features a silent governor that regulates the energy released by the minute repeater barrel, ensuring a regular beat. The power of the mainspring is released evenly, guaranteeing a harmonious and continuous chime.
The pleasure of listening to the chime remains undisturbed: unlike other common systems, this silent governor operates at a volume of only 20 decibels, making it almost inaudible. Consequently, the watch's carefully arranged and steady chimes are not affected by any external noise. This enduring attention to detail demonstrates the passion for watchmaking shared by the engineers and artisans at the Jaeger-LeCoultre manufacture.
A reinvention of the monopusher
The new design of this watch encapsulates the brand's relentless pursuit of aesthetics and functionality. The Master Grande Tradition à Répétition Minutes watch replaces the traditional slide system with a single pusher. It adopts a slimmer design, precisely embedded into the case, positioned perfectly opposite the crystal gongs, giving the model a greater sense of symmetry. The design of this watch perfectly interprets the harmonious beauty that the manufacture strives to achieve.
An exquisite gold oscillating weight
This watch is powered by an automatic mechanical movement and features a precious 22K rose gold new-generation oscillating weight, engraved with the brand logo and finished with polishing and graining to present a sleek and textured appearance.
Located in the Vallée de Joux, the watchmakers at the Jaeger-LeCoultre manufacture know that it is these details that nurture an infinite passion for watchmaking. They bridge the gap between minute repeaters and fine musical instruments, turning the watch into a masterpiece of profound depth.
Reference 5092520 Jaeger-LeCoultre Calibre 942 Movement Automatic mechanical Parts: 437 Vibrations per hour: 28800 Power reserve: 40 hours Functions Hours, minutes, seconds, minute repeater Case Rose gold Water resistance: 5 bar Thickness: 12.1 mm Diameter: 39 mm Dial Silver Strap/Bracelet Alligator leather Buckle Pin buckle 16.0 mm
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