Audemars Piguet Ref. 4010 in steel, featuring the distinctive pre–Royal Oak octagonal case and an automatic movement. A sharp 1970s AP design with real collector appeal.

The steel case measures 35 mm and is in excellent condition, with “AP” elegantly engraved on the caseback.

The dial is in great condition with some signs of wear on the corners.

The automatic movement is running smoothly.

On its original steel bracelet secured by the original steel clasp, fitting up to a 7.25-inch wrist.