The new Lange Zeitwerk comes in
link two different flavors your choice of a platinum or
link 18k pink gold case each equipped with the brand-new manual-wind caliber L043.6 that builds on the original Zeitwerk's dual-jumping hour and minute display and constant-force mechanism but with an upgraded barrel design housing two mainsprings that enables an increased power reserve of up to 72 hours
link a substantial improvement from the previous generation's insufficient 36 hours.