This watch is part of the Promaster Land collection. Features a radio-controlled time-keeping function to capture a time signal in four areas around the world and automatically adjust the time. Fitted with a 1/1 second chronograph that can measure up to 60 minutes, an aviator slide rule, and a world time function for instant switching to the time of 24 cities, this is a pilot’s watch with multi-functions and a high level of practical utility. Featuring a sleek black dial and bracelet with sapphire crystal glass and 200-meter water resistance, this watch is a winner. Powered by Eco-Drive- the revolutionary light-powered movement from Citizen, this watch can continuously recharge in any light source and can run for a minimum of six months even in the dark without any charge. This revolutionary earth-friendly technology eliminates the need to change the battery frequently and gives you hassle-free timekeeping, never disappointing you when you need it the most. The Eco-Drive movement also comes with a built-in Insufficient Charge Warning Function and Overcharge Prevention Function.