A. Lange & SöHne 2025 Rattrapante Perpetual Calendar Price. A chronograph with rattrapante function and a perpetual calendar. Lange & söhne presents three of the most challenging watchmaking complications in a classic design.

Lange & söhne presents three of the most challenging watchmaking complications in a classic design. Lange & söhne’s 1815 rattrapante perpetual calendar platinum watch reference 421.025.