AERO 14k yellow gold chronograph

AERO 14k yellow gold chronograph, Switzerland around 1950, manual winding, 4-piece construction case, snap on case back, bezel & metal cuvette, silvered dial with applied hour-indices due to age spotty/patinated, gilded hands, calibre Landeron 248, 17 jewels, incablock shock-absorber, diameter approx. 38 mm, overhaul recommended at buyer's expense, zero-position has to be repaired, condition 3 -4, property of a collector