The Longines Ultra-Chron Watch L2.836.4.52.6 is a timeless and classic timepiece featuring a stainless steel case and bracelet. Its elegant black dial with silver-tone hands and index hour markers exudes sophistication and style. With its automatic movement and 42-hour power reserve, this watch is a perfect combination of reliability and luxury.,The Longines Ultra-Chron Watch L2.836.4.52.6 is a timeless and classic timepiece featuring a