Discover Patek Philippe's precision with the Calatrava (ref. 3718A Ivory), a contemporary classic shaped by careful watchmaking know-how. The exterior is thoughtfully executed: crafted in stainless steel and measuring 33 mm in diameter, defined by a round silhouette. The caseback is closed, and the crystal is sapphire, delivering water resistance to 3000 meters. At a glance, the dial balances texture and clarity: a ivory tone, framed by stick / dot hour markers, and stick hands. At its heart beats a proven engine: the 215 PS caliber. Issued as a limited edition, appealing to focused collectors. First released in 19891989. 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.