LANCO rare early aviation-watch, Switzerland around 1930, manual winding, two-piece construction nickel case, screwed down bezel, fixed bow-shaped lugs, black enamel dial, white Arabic numerals, luminous material missing, constant second at 6, silvered spade-luminous hands, gold plated lever movement, 15 jewels, needs to be overhauled, diameter approx. 40,5 mm, condition 2-3