As a testament to the rich heritage and uncompromising craftsmanship of A. Lange & Sohne, the 1815 Rattrapante Perpetual Calendar is a true horological masterpiece. This exquisite timepiece, with its 42mm rose gold case and captivating silver dial, pays homage to the brand's founding year of 1815 while incorporating cutting-edge complications that cater to the needs of the modern discerning watch enthusiast. Powered by the Calibre L101.1, a manual-winding movement with a 42-hour power reserve, the 1815 Rattrapante Perpetual Calendar boasts an impressive array of complications, including a rattrapante (split-seconds) chronograph, perpetual calendar, and moonphase display. Whether you're timing a critical business meeting, tracking your training regimen, or simply appreciating the beauty of a true horological work of art, this timepiece is designed to meet the demands of your sophisticated lifestyle. The 1815 Rattrapante Perpetual Calendar's timeless aesthetic, with its Arabic numerals, brown alligator leather strap, and rose gold details, seamlessly blends classic elegance with contemporary flair. With a water resistance of 30 meters, this watch can effortlessly transition from the boardroom to the weekend getaway, making it a versatile companion for any occasion.