A. LANGE & SÖHNE. A PLATINUM PERPETUAL CALENDAR SPLIT SECONDS CHRONOGRAPH WRISTWATCH WITH MOON PHASES, POWER RESERVE AND LEAP YEAR INDICATION 1815 RATTRAPANTE PERPETUAL CALENDAR MODEL, REF. 421.025, CASE NO. 213’846, CIRCA 2015
A. LANGE & SÖHNE. A PLATINUM PERPETUAL CALENDAR SPLIT SECONDS CHRONOGRAPH WRISTWATCH WITH MOON PHASES, POWER RESERVE AND LEAP YEAR INDICATION 1815 RATTRAPANTE PERPETUAL CALENDAR MODEL, REF. 421.025, CASE NO. 213’846, CIRCA 2015