Introducing the Vacheron Constantin Patrimony Retrograde Day-Date Rose Gold Silver Dial 42mm, ref. 86020/000R-9239. This sophisticated timepiece epitomizes Vacheron Constantin's 250 years of watchmaking expertise, combining artistry with advanced functionality. Crafted in 18K rose gold, the case measures 42 mm in diameter and features a sleek silver dial with index markers. The standout bi-retrograde day and date indicators showcase a unique mechanical ingenuity, allowing the hands to return swiftly and precisely over a 180º arc. This impressive mechanism ensures reliability and elegance, embodying the brand's commitment to haute horlogerie. The watch is powered by the self-winding Calibre 2460 R31R7, offering a 40-hour power reserve. With a water resistance of up to 30 meters and a sapphire crystal case back, the Patrimony Retrograde combines durability with aesthetic appeal. This timepiece is a testament to Vacheron Constantin's legacy, perfect for those who appreciate refined craftsmanship.