A 1970s Rolex Oyster Perpetual Air King wristwatch, having a calibre 1520 26-jewel Precision movement and radially-brushed silver face, having bevelled baton markers with black inserts, and pencil hands with luminous inserts, in a stainless steel case with Rolex Oyster bracelet strap, 34 mm, (running when catalogued, accuracy and reliability not tested, model and case numbers worn and illegible, strap heavily worn, watch face, hands and case free on material defects)