When Jaeger-LeCoultre unveiled the Duometre Heliotourbillon Perpetual at Watches & Wonders 2024—a release we singled out at the time as one of the most exciting of the show—it marked a new era for the Duometre collection by uniting two pillars of Jaeger-LeCoultre's high-precision expertise: the patented Duometre concept and an entirely new triple-axis tourbillon construction.