A. Lange & Söhne Datograph 405.034 Up/Down "Lumen" Platinum Black Dial

The A. Lange & Söhne Datograph Up/Down  features a platinum case with a diameter of 41mm and a thickness of 13.4 mm. The dial is made of polished German silver and incorporates segments in semi-transparent sapphire crystal. The hands are made of rhodiumed gold and blued as well as rhodiumed steel. The chronograph sweep seconds hand, the hands for hours and minutes, as well as the power-reserve hand are luminous. The hour markers at 3, 6, 9, and 12 o'clock, the subsidiary dials, and the tachymeter scale are luminous as well. The watch comes on a black alligator leather strap.

*Limited edition to 200 pieces.