The A. Lange & Sohne 1815 40mm watch. Model reference: 236.049. This is the purists choice of the iconic 1815 style in the noble metal of Platinum and a black dial made of solid silver. This watch is a limited edition of just 200 pieces commemorating the 200th birthday of Ferdinand Adolph Lange, one of the founding fathers of Saxon watchmaking and namesake of the modern A. Lange & Söhne watch brand. It features the L051.1 mechanical manual winding movement with an approximate 55-hour power reserve when fully wound. The watch’s movement bears all the hallmarks of the classical Glashütte horological style, including the three-quarter plate made of untreated German silver, a hand-engraved balance cock, classical screw balance, whiplash spring, gold chatons to secure the bearing jewels, and thermally blued screws. The three-quarter plate, in particular, is a living symbol of F.A. Lange’s contributions to German watchmaking, invented in its current form in 1864 for the purpose of better stabilizing the overall movement. Its rounded 40mm case is made of polished platinum with brushed finished edges and a see-through back; solid silver dial; rhodiumed gold hands; small seconds subdial at 6 o’clock with stop seconds for more accurate time setting; and 40mm, platinum case (8.9mm thickness) on a hand-stitched, black crocodile strap with an engraved, solid platinum ardillon buckle. The watch comes in original packaging, with a set of documents.