The Patek Philippe Complications Annual Calendar White Gold Black Dial 40mm, introduced in 2010, epitomizes Swiss watchmaking excellence. Recognized for its elegant design and innovative functionality, this timepiece features a unique annual calendar that only requires adjustment once a year, making it perfect for those who appreciate both style and practicality. Crafted from luxurious white gold, the 40mm case showcases a striking blue sunburst dial that transitions to a deep black gradation. The three apertures elegantly display the day, date, and month, while a moon phase indicator adds a poetic touch. The self-winding Caliber 324 S QA LU movement boasts a 45-hour power reserve and includes a sweep seconds hand for precise timekeeping. Water-resistant up to 30 meters, this watch is suitable for daily wear and special occasions alike. The alligator leather strap, hand-stitched and finished with a white gold prong buckle, adds a refined touch to your wrist. Whether at a formal event or a business meeting, the Patek Philippe Annual Calendar stands as a symbol of sophistication and craftsmanship.