The Audemars Piguet Royal Oak 37 mm Steel Blue Dial Diamond bezel (ref. 15551ST.ZZ.1356ST.05) 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 stainless steel.
This example is brand new, dated 2026, and comes with the original box and papers.
