Each ca. Ø8.5cm, 1 x chrome-plated, 1 x blackened, metal case, back numbered 182869 and 183624, manual winding, black dial with luminous numerals, luminous hands, very rare, in unrestored condition, intact, service rmended. The Jaeger 8-day chronograph watch, 'Jaeger Voyant', was used in aircraft cockpits, as well as in sports cars, e.g. Bugatti, Ferrari, Mercedes etc. Some of these watches were sold for astonishing prices at international auctions (https:///go/m7R).