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The Jaeger-LeCoultre Duomètre Chronograph Moon Q622656J debuted in 2024. This reference features a platinum case measuring 42.5 mm across and 14.2 mm in height, with a copper-toned opaline dial. The layout includes three sub-dials: chronograph hours and minutes with integrated moon phase at 3 o’clock, time display with day/night indicator at 9 o’clock, and a jumping seconds (seconde foudroyante) display at 6 o’clock. A centrally mounted chronograph seconds hand sweeps across the outer tachymeter scale. Twin power reserve indicators are located at the top of the dial. Power is provided by the manually wound 391, a fully integrated monopusher chronograph movement with two barrels and two gear trains linked to a single escapement. It beats at a frequency of 21,600 vibrations per hour and offers a 50-hour power reserve. This version is fitted with a strap and pin buckle in platinum.