AUDEMARS PIGUET ROYAL OAK DUAL TIME Ref 25730ST. Circa 1993 No. 006Steel double time zone wristwatch for men, blue dial, luminous baton hour markers, power reserve at 9 o'clock, date at 2 o'clock, double time zone at 9 o'clock, self-winding mechanical movement calibre 21836, steel bracelet with its signed folding clasp. Dial, case and movement signed. Diameter: 36 mmThe watch comes with its case and papers .