Audemars Piguet. A fine and large platinum limited edition automatic chronograph wristwatch with date

Audemars Piguet. A fine and large platinum limited edition automatic chronograph wristwatch with date
Signed Audemars Piguet, Automatic, City of Sails, Limited Edition Royal Oak 30th Anniversary, ref. 25979, movement no. 521'463, case no. E-86162, manufactured in 2002
Cal. 2385 nickel-finished lever movement, 37 jewels, 21K gold rim to the rotor, grey textured dial, luminous Arabic numerals, luminous hands, three engine-turned subsidiary dials for 12 hours and 30 minutes registers, constant seconds, window for date, red Alinghi logo to the 12 hours register, large tonneau-shaped water-resistant-type case, screwed octagonal bezel, screw down crown, back secured by eight screws and centred by the engraved and raised scene depicting two racing sailing boats, two round chronograph buttons in the band, platinum Audemars Piguet deployant clasp depicting the letters AP on Royal Oak rubber strap, case, dial and movement signed
41 mm. wide