Insider: A. Lange Söhne Datograph Up/Down. Setting the Bar Quite High for Chronographs.

For over ten years, the A. Lange & Söhne Datograph Up/Down has been the benchmark in chronographs since its launch. Its assets include the oversized date, the high-speed flyback switching mechanism for the chronograph and a patented, precisely-jumping minute counter. The Datograph Up/Down also features a power reserve indicator. Only available in 18K rose gold…