2025 Rattrapante Perpetual Calendar Handwerkskunst. The dial and the hinged cuvette of the watch consist of blue enamelled white gold with elaborate relief engravings. Lange & söhne 1815 rattrapante perpetual calendar.

And today, just 4 years on, the maison has deemed it worthy that it should be the next page in their. Lange & söhne introduced the 1815 rattrapante perpetual calendar.