It was in 2007 when Jaeger-LeCoultre presented its patented Duomètre mechanism which incorporated dual barrels and two distinct gear trains connected to a singular regulating organ. One gear train was responsible for driving time indications, while the other operated additional functions, guaranteeing precise operational accuracy. This mechanism has now been introduced in the three novelties unveiled by the maison at Watches and Wonders 2024.
Duomètre Chronograph Moon
Jaeger-LeCoultre has introduced the latest addition to its Duometre collection, the Duometre Chronograph Moon. The 42.5 mm platinum case features a copper-coloured opaline dial.
At the heart of this timepiece beats the manual-wound Calibre 391, which encompasses twin barrels and two independent gear trains. These features not only ensure exceptional accuracy but also enable the seamless integration of the complications.
The dial features appliqued numerals and the complexity of the watch’s features is displayed through its finely decorated counters. The chronograph and moon phase indicators are positioned at 2 o'clock, and the hour-minute display and day/night indicator lie at 9 o'clock. A striking blue central seconds hand gracefully sweeps the tachometric scale around the dial. At 6 o'clock you can find the seconde foudroyante, a hallmark of the Duometre collection, alongside dual power reserve indicators.
Complementing the timepiece is a luxurious black alligator leather strap, secured with a platinum pin buckle. The water resistance of the watch is up to 50 metres.
Duomètre Héliotourbillon Perpetual
Another remarkable timepiece introduced by Jaeger-LeCoultre is the Duomètre Héliotourbillon Perpetual. Central to this 44 mm 18Kpink gold timepiece is the in-house manual Calibre 388, boasting a tourbillon rotating on three axes and the mechanism comprises of three titanium cages weighing less than 0.7 grams. Operating at a frequency of 4Hz, this movement is coupled with a perpetual calendar featuring a grand date display. The power reserve is about 46 hours.
The perpetual calendar requires manual adjustment only in 2100 and not during leap years. Moreover, the dial's refined layout introduces a fresh arrangement, rotating the traditional Duomètre configuration by 90 degrees and incorporating a grand date display.
The watch comes with an alligator leather strap and is a limited edition of 20 pieces.
Duometre Quantieme Lunaire
The third in the Duomètre line presented by Jaeger-LeCoultre is the Duomètre Quantième Lunaire. The 42.5 mm timepiece is crafted in steel, featuring a deep blue opaline dial, enriched with various decorative finishes, coupled with the innovative seconde foudroyante display, which enables precise time measurement in one-sixth-of-a-second intervals.
The dual-wing system of the Duomètre ensures accuracy by segregating the power supply between timekeeping functions and complications, thereby maintaining consistent energy flow and precision regardless of complication operation.
Powering the timepiece is the manual-wound Calibre 381, which offers a reserve of about 50 hours. The watch comes with an alligator strap.
Images: Courtesy Brand
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