Gold Wrist Chronometer no. 4763

Case: Yellow gold & enamel Dial: Gilt, applied Breguet numerals, blued steel cathedral hands, subsidiary secods dial, signed "A. Lange & Sohne, Geneve". Movement: 10''' tonneau, all adj, 18 jewels, Geneva seal Provenance: 1927 - Niton, Geneve 1927 - A. Lange, Geneve, 21 Oct 1927 - Auction Heickmann, Chemnitz, Auction 71, Lot 5031, Sales books A. Lange & Sohne Genf/ Article Wolfgang Stegemann, Klassik Uhren, No. 2/2011 page 40-43 and No.2/2013 page 12-13/ Privat Wolfgang Stegemann 18k green gold, tonneau case, regarding A. Lange Cal. 5 ½'''