Experience the craft of Patek Philippe in the Complications (ref. 5520RG-001), a contemporary classic shaped by careful watchmaking know-how. The exterior is thoughtfully executed: measuring 42.2 mm in diameter, with a thickness of 11.6 mm, defined by a cushion silhouette. The caseback is open, and the crystal is sapphire, delivering water resistance to 3000 meters. At a glance, the dial balances texture and clarity: a grey tone with sunburst finish, framed by arabic numerals hour markers, and proprietary hands. At its heart beats a proven engine: the AL 30-660 S C FUS caliber. First released in 2024. 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.