HEUER pilots intermediate wheel chronograph for the German Army/BUNDESWEHR with Flyback, Switzerland around 1968, manual winding, 4- times screwed down steel case with blackened rotating bezel, case back & leather strap with supply number, black contrast dial with Arabic luminous numerals & special print 3H, original luminous hands, calibre Valjoux 230, 17 jewels, stop-second at hand-setting, diameter approx. 43 mm, condition 1-2, property of a collector