The A. Lange & Sohne 1815 40mm watch. Model reference: 233.025. This is the purists choice of the iconic 1815 style in the noble metal of Platinum. This watch is a limited edition of 500 pieces. It features the L051.1 mechanical manual winding movement with an approximate 55-hour power reserve when fully wound. Its rounded 40mm case is made of polished platinum with brushed finished edges and a see-through back; solid silver dial with painted black Arabic numeral hour markers & minute track; 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.