The Longines HydroConquest Automatic Chronograph L3.883.4.56.6 is a men's watch featuring a 43mm stainless steel case with a black ceramic unidirectional rotating bezel. The black sunray dial includes silvered polished hands and applied Arabic numerals and indexes, all coated with Swiss Super-LumiNova® for enhanced visibility. Powered by the Longines Caliber L688 automatic movement, it offers a 54-hour power reserve and operates at 28,800 vibrations per hour. The watch includes chronograph functions with a central 60-second hand, a 30-minute counter at 3 o'clock, and a 12-hour counter at 6 o'clock, along with a date display between 4 and 5 o'clock. It is water-resistant up to 300 meters and comes with a stainless steel bracelet featuring a double safety folding clasp and integrated diving extension. Reference number: L3.883.4.56.6.