A men's sport watch featuring perpetual alarm function, world time capability across multiple time zones, and a GMT hand for tracking two locations. It includes an analog dial with luminous hands and markers, a date display at the 3 o'clock position, day of week and month indicators powered by its perpetual calendar feature. Powered by Citizen's Eco-Drive H820 movement which harnesses light energy to keep running indefinitely - no battery replacement needed ever. Utilizes GPS/EL technology for precise atomic time synchronization via satellite or EL signals. Features a black stainless steel case with a fixed bezel, green dial face, scratch-resistant sapphire crystal glass, and comes equipped with water resistance up to 200 meters (660 feet).