JLC Duometre a Spherotourbillon Review Watchuwant is now WatchBox! Subscribe for the best luxury watch content. Originally launched at SIHH 2012, the 75-piece platinum Jaeger-LeCoultre Duometre a Spherotourbillon features two time zones, a unique "flyback" seconds synchronization feature, and a bi-axial flying tourbillon. The movement is Jaeger-LeCoultre's Duometre "Dual Wing" architecture with twin mainspring barrels: one for the escapement, and one for the two time displays and calendar function. Shop JLC: https://www.thewatchbox.com/watches/jaeger-lecoultre Instagram: https://www.instagram.com/watchbox/ WatchBox Reviews Channel: https://www.youtube.com/WatchBoxReviews Video and content by Tim Mosso and Pheline Jerome.