Today in Dresden, A. Lange & Sohne unveiled the all-new 1815 Tourbillon Handwerkskunst at the jubilee celebration of the 200th anniversary of the birth of Ferdinand A. Lange, founder of the Saxony brand. The new 1815 Tourbillon Handwerkskunst (the fifth in the series started in 2011) embraces two patents from the Saxony brand: Zero-Reset (first launched…