LONGINES very rare, big Flyback aviation- chronograph of the Israeli Air Force in
steel, Switzerland according to extract of the archives sold 1960, manual winding,
3-piece construction case, snap on case back and bezel, inside turning bezel with
60-minutes- graduation, original winding crown and pusher, black dial patinated,
Arabic luminous numerals, luminous material has to be replaced, silvered luminous
hands, minutes- and second-counter from the middle, constant second at 6, rhodium
plated movement calibre 12.68Z, 17 jewels, Glucydur balance with Breguet-hairspring,
diameter approx. 47 mm, condition 2-3, property of a collector