The Citizen AT8266-09E is a men's analog watch featuring radio-controlled automatic time synchronization via GPS/Galileo signals. It includes an auto-updating perpetual calendar accurate until 2099, displaying the date and day at the 3 o'clock position with high precision. The watch has scratch-resistant sapphire crystal glass for clarity, a self-illuminating hands and markers powered by Super-LumiCon technology, water resistance up to 100 meters (330 feet), an Eco-Drive movement requiring no battery replacement for approximately one year, overcharge prevention mechanism, magnetic field resistance. Fixed black bezel on a silver-tone stainless steel case with a black dial.