A. Lange & Sohne Watches - Datograph Up Down

A. Lange & Sohne Style No: 405.035
A. Lange & Söhne Datograph Up/Down Watch

41.0mm platinum case, 13.1mm thick, transparent back, platinum bezel, scratch resistant sapphire crystal, black dial, calibre l951.6 manual winding movement with hours and minutes, subsidiary seconds dial, chronograph with flyback and precisely jumping minute counter, outsize-date display, stop-seconds mechanism, approximately 60 hours of power reserve, black alligator/crocodile leather strap, tang buckle.