Introducing the Patek Philippe In-Line Perpetual Calendar, a groundbreaking addition to the brand's iconic collection. This 41 mm timepiece features an innovative in-line display, where the day, date, and month are prominently shown in a single aperture at 12 o'clock, enhancing both functionality and legibility. Powered by the self-winding Caliber 31-260 PS QL movement, this watch incorporates advanced technology with three pending patents, ensuring reliability and precision. The elegant platinum case frames a striking blue dial with a black-gradient rim, complemented by gold-applied hour markers. Additional features include moon phases, small seconds, and a day/night indication, all housed within a water-resistant case up to 30 meters. The watch is secured by a hand-stitched navy blue alligator leather strap and a platinum fold-over clasp. With a power reserve of 48 hours, the Patek Philippe ref. 5236P-001 is designed for the modern collector who appreciates innovation and craftsmanship.