BREITLING Navitimer AOPA very rare & in wonderful collectable condition early gents chronograph in stainless steel calibre VALJOUX 72, Switzerland around 1954, manual winding, 3-piece construction case still without reference-number, case-no. 843674, snap on case back, black original shiny-dial with Arabic luminous numerals, original luminous hands, slide rule bezel, copper coloured movement with screw-balance & Breguet balance-spring in exceptional condition, 17 jewels, diameter approx. 40 mm, overhaul recommended at buyer's expense, otherwise condition 1-2
