L141.1

Introduced in 2020, the L141.1 manufacture calibre completes the transition of the LANGE 1 family to new movements. It provides a 72-hour power reserve using a single spring barrel and features an in-house balance spring and screw balance oscillating at 21,600 semi-oscillations per hour. The movement is finished to high artisanal standards, featuring an untreated German silver three-quarter plate, gold chatons, blued screws, and hand-engraved components visible through the caseback.