A. Lange & Söhne Datograph Platinum Storage as well as the "Professionel"

as well as the  "Professionel" text denoting its French-made origin

taupe alligator leather strap with its original 18K yellow gold

Perhaps most interestingly

and the complication

a sapphire display caseback

A. Lange & Söhne Datograph Platinum Storage as well as the "Professionel"We'll just come right out and say it: The A. Lange & Shne Datograph might just be the most important watch of the modern era. With its combination of avant garde and teutonic design languages, mind blowing mechanical architecture, function heavy use, and luxury materials, the Datograph has not only won the hearts and minds of collectors and enthusiasts the world over it also created and set the bar for modern haute horlogerie. And it came from