If you have followed Jaeger-LeCoultre, you know that the brand does not shy away from innovation, which is what it is known for besides its handsome and exclusive watches. Why, in 2007, it introduced its ‘dual-wing’, a solution it has proposed to ensure that complicated watches are reliable in their listed functions. In order to ensure the timepiece’s accuracy, the dual-wing operates by separating the mechanism responsible for time-telling from others that ought to perform other functions.
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Release date: 2010
The dual-wing’s efficiency can be witnessed on caliber 381, which in turn is what powers the Jaeger-LeCoultre Duomètre Quantième Lunaire 42. Seemingly complex with just the dial alone, the watch promises that all the features that you can see—a date indicator, moonphase display for both hemispheres, and jumping seconds—are working rather than just there for mere display.
- Movement: manual caliber 381
- Power reserve: 50h
- Frequency: 21,600vph
- Water resistance capacity: 50m
- Functions: Moonphase, power reserve, time, jumping seconds, date
- Case dimensions: 38mm
- Crystal: Synthetic sapphire
The first word that comes to mind when seeing the JLC Duomètre Quantième Lunaire is elegant. It is a beautiful watch that has svelte hands to indicate the time, as well as a textured surface. Rather than alienating, the subdials invite inspection, and the peek into the movement in front is intriguing. Its dial may be packed with more functions than you’d wish for, but size is not part of the compromise. In fact, at 42mm wide and 13.5mm thick, it is rather small and thin considering how the dual-wing works. At the bottom are two indicators for power reserves of the barrels operating underneath but only a single crown to wind both.
The JLC Duomètre Quantième Lunaire is a beauty, but the winding which you have to do twice—one for the timekeeping function and another for the rest—can be troublesome after a while. While it is unique compared to others, the display may be more than what is asked for, and the design takes a little getting used to especially if you have not much use for the other functions besides the hours and the minutes.
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