Marked on dial and case A. Lange & Söhne Uhrenfabrik, Akt. Gesellschaft, Glashütte SA., around 1920, movement stamped Tutima, movement no.: 20081, quality movement with Glashütte anchor escapement, smooth silver case stamped 800, gold-plated dial with recessed center and small second, gold hands, gold hinges and crown, runs perfectly, Z 1-2, D 50 mm.