The Jaeger-LeCoultre Duometre Line Makes a Triumphant Return
When I say Jaeger LeCoultre, you say Reverso! Or Memovox! Or maybe Polaris! Or something to that effect. The point is that Jaeger LeCoultre, JLC to the cool kids, has a few iconic models immediately associated with its vaunted Maison. But the archives run deeper and into stranger horological territories. At Watches & Wonders 2024, JLC refreshed a lesser-known and appreciated line of watches epitomizing its watchmaking chops: the Duometre. First launched in 2007 with a chronograph, the Duometres presented a novel solution to an issue that concerns all watches with complications, that of the complications taking power out of the movement to function, thus decreasing the accuracy of the timekeeping and potentially power reserve. While a lesser issue in date complications, chronographs notoriously wreak havoc on a movement’s amplitude due to the power draw. But, JLC found a solution– to have separate barrels and gear trains for timekeeping and everything else, linked by the escapement. Hence, “duo.” The resulting watches and calibers are dramatic, to say the least. The movements are massive and ornate, with pronounced barrels on one side. To wind the movement, you turn the crown one way and then the other, like a ratcheting system, winding both barrels. Dial side, the duo concept is further played out with the hour and minutes displayed on a decentralized smaller dial to one side of the larger dial and the complication on the other. The seconds, however, is displayed a...
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