The Citizen AT8390-55E is a men's watch featuring a Super Titanium™ case and bracelet, offering durability and lightness. It is powered by the Eco-Drive H804 movement, which harnesses light for energy, eliminating the need for battery replacements. The watch includes a perpetual calendar, chronograph measuring up to 60 minutes in 1/20-second increments, and world time for 26 cities. The black dial is protected by a sapphire crystal, and the watch is water-resistant up to 10 bar. Reference number: AT8390-55E.
