The Audemars Piguet Royal Oak 37 mm Grey Dial 15550ST.OO. (ref. 15550ST.OO.1356ST.07) is a men's sports watch with a 37 mm octagonal case in stainless steel. The dial is protected by sapphire crystal.
It is powered by the self-winding mechanical calibre 5900 with a power reserve of up to 60 hours. Functions: Date. Water-resistant to 50 m. The watch is fitted with a Royal Oak bracelet with an AP folding clasp in steel.
This example is brand new, and comes with the original box and papers.
