Audemars Piguet: A yellow and white gold "Philosophe" wristwatch, the case with hinged lugs, the silvered dial with raised baton numerals, the back secured by four screws with makers mark and numbered B84030, signed movement jewelled to the centre, adjusted to heat, cold, isochronism and to five positions with seventeen jewels and numbered 200731, with makers leather strap and gold buckle