Top 10 Audemars Piguet WatchesModel Audemars Piguet Royal Oak. Audemars Piguet Royal Oak Pen Black. This item is in the category Jewelry & Watches\Watches, Parts & Accessories\Wristwatches. 01updated July 18, 2023 Audemars Piguet Royal Oak Pen Blackupdated July 17, 2023 Audemars Piguet Royal Oak 15000ST.