HEUER Autavia reference 1163 gents wristwatch with chronograph, Switzerland around 1970, self winding, solid case in steel, screwed down case back, bidirectional revolving bezel with 60-minutes graduation, black dial with applied hour-indices, silvered sub-dials, silvered hands, second-hands replaced, date, calibre 12, 17 jewels, precision adjustment, Heuer buckle, diameter approx. 42,5 mm, pusher at 2 has to be adjust, overhaul recommended at buyer's expense, condition 2-3, property of a collector

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