The latest watch from Jaeger LeCoultre is the Duometre A Quantieme Lunair a completely new concept in watchmaking. The movement is separated into two parts of the movement; the timekeeping element and the complication elements of the movement. Each part of the movement is powered by its own mainspring and is synchronized by the jumping seconds hand mechanism, this allows the time to be adjusted without stopping the escapement. The watch has an eighteen karat white gold case and only two hundred will be made and available exclusively from Jaeger LeCoultre.