A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar “25th Anniversary”

A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar “25th Anniversary”

In an elegant and subtle manner, the LANGE 1 TOURBILLON PERPETUAL CALENDAR integrates a perpetual calendar and a tourbillon in the inimitable design of the LANGE 1 As a tribute to its anniversary, A Lange & Söhne introduces the most complicated model of this watch family in a 25-piece limited white-gold edition with blued-steel hands. Source