A. Lange & Söhne Datograph Perpetual Calendar Tourbillon Listing ID: 342408

A. Lange & Söhne Datograph ad: $328,837 A. Lange & Söhne Datograph Perpetual Calendar Tourbillon Ref. No. 740.036 or 740.036FE; Platinum; Condition 0 (unworn); New; With box; With papers; Loca