A. Lange & Söhne

A. Lange & Söhne Deutsche Seewarte

Case : German silver · case design "Jürgens" · back lid with engraving of the registration number of the German Naval Observatory "D.S. 105 Dial : German silver Movement : 3/4 plate movement, club-tooth lever escapement, screw compensation balance Movm no : 92687 Cal : 43 Diam : 58 mm Circa : 1935 Ctry : Germany Wt : 162 g Extract from the archives : An extremely rare deck watch of the German Naval Observatory with degree dial and stoppable centre seconds - delivered on October 8, 1935 for 300 Reichsmarks to the German Naval Observatory in Hamburg