LACO "Observation", military, around 1940. Nickeled brass round case, diam. 55 mm, FL 23883, n. H3254, (very good condition). Black dial with painted indexes (very good condition). Round movement with manual winding, (very good condition). Original big leather strap. Case and movement signed. Exclusively used by Navigators of the German Air Force for astronomic navigation (course determination through the stars). Source: Michele Galizia, "Military Wristwatches sky land sea", pag. 115, Cronomania, 2008.
Starting price: € 1'800