AERO WATCH gold plated gents chronograph with moon

AERO WATCH gold plated gents chronograph with moon phase, Switzerland around 1980, manual winding, two piece construction case with screwed down stainless steel case-back, white dial, gilded hands, moon phase at 12, date at 6, nickel plated movement calibre Valjoux 7734, 17 jewels, diameter approx. 37 mm, overhaul recommended at buyer's expense, condition 2, from the estate of a collector