The Audemars Piguet Royal Oak Selfwinding (ref. 15551BC.ZZ.1356BC.01) is a ladies' jewellery watch with a 37 mm octagonal case in white gold. It has a blue dial under sapphire crystal.
It is powered by the self-winding mechanical calibre 5900 with a power reserve of 60 hours. Functions: Date. Water-resistant to 50 m. The watch is fitted with a Royal Oak Integrated Bracelet with an AP folding clasp in 18k white gold.
This example is brand new, dated 2024, and comes with the original box and papers.