A Lange Sohne 2024 Perpetual Calendar Watch
A Lange Sohne 2024 Perpetual Calendar Watch. The datograph up/down and the datograph perpetual tourbillon honeygold “lumen”. Thanks to the specially developed peripheral month ring, it was possible to. Lange & söhne timepieces with a perpetual calendar and a wide palette of other complications rely on this traditional principle. Lange & söhne just debuted two …