Audemars Piguet Royal Oak Alinghi City Of Sails, wristwatch

limited edition 30th Anniversary, tricompax chronograph, 39 mm octagonal case. ref. REF. 25979ST - B77762, black dial with luminescent Arabic numerals, date window at 4.30, three auxiliary dials for the chronograph, sapphire crystal, mechanical movement with automatic winding, caliber 2385, original black rubber strap with steel deployant clasp, signed case, dial and movement Complete with box