Discover Audemars Piguet's precision with the Royal Oak (ref. 15202ST.OO.0944ST.03), a contemporary classic shaped by careful watchmaking know-how. The exterior is thoughtfully executed: crafted in stainless steel and measuring 39 mm in diameter, with a thickness of 8.1 mm, defined by a other silhouette. The caseback is open, and the crystal is sapphire, delivering water resistance to 5000 meters. At a glance, the dial balances texture and clarity: a blue tone, framed by stick / dot hour markers, and stick hands. Among collectors, it is nicknamed "Grande Tapisserie". At its heart beats a proven engine: the AP 2121 caliber. Initial production year: 2011. With considered ergonomics, it feels composed during extended wear. Brushed and polished elements play with light to emphasize crisp geometry. For buyers researching specifications and real-world impressions, this reference stands out for coherent design, dependable mechanics, and lasting relevance within modern horology.