A. Lange & Söhne Datograph Up/Down 405.031 SIHH 2015
A. Lange & Söhne Datograph Up/Down 405.031 SIHH 2015. The A. Lange & Söhne Datograph Up/Down (model 405.031), released for SIHH 2015, comes in an 18k rose gold case with a transparent case back, and an alligator strap with an ardillon buckle. The 41mm watch has a black dial with hours and minutes, subsidiary seconds dial, chronograph with flyback and precisely jumping minute counter, outsize-date display, UP/DOWN power-reserve indicator, and a stop-seconds mechanism. Powered by calibre L951.6 movement, the watch has a power reserve of more than 60 hours.
This watch is also available in a platinum version (405.035)