A Lange Sohne Perpetual Calendar

A Lange Sohne Perpetual Calendar. Designing a mechanism for a perpetual calendar that takes into account the different durations of the months in a year as well as the leap years, presents a challenge that the ambitious a. The new lange 1 perpetual calendar watch, released in 2021, with expert analysis, specs, price, and original photos.

Lange & söhne launched during watch & wonders 2021 a new perpetual calendar with two colours variations for cases and dials. This is a design template inspired from the daymatic, introduced in 2010, the first automatic member of the.