Introducing the A. Lange & Söhne Datograph Up/Down, a hallmark of precision and craftsmanship. This 41 mm timepiece features a striking black dial made from solid silver, beautifully contrasted by rose gold indices and a rose gold case, offering a sophisticated aesthetic. At the heart of the Datograph is the manual-winding Caliber L951.6 movement, renowned for its exceptional engineering and a 60-hour power reserve. This watch is equipped with multiple functions, including hours, minutes, seconds, date, and chronograph capabilities, making it a versatile choice for any occasion. The black alligator leather strap, secured with a rose gold pin buckle, adds a touch of luxury and comfort. With a sapphire crystal protecting the dial and a robust design, the A. Lange & Söhne Datograph Up/Down ref. 405.031 is perfect for those who appreciate fine horology and superior craftsmanship in their watch collection.