Touch the edge of the sky with the Citizen Promaster. This bold 46mm silver-tone stainless steel watch is designed for professionals, featuring chronograph pushers, a 5-link bracelet, and an outer slide rule bezel. Beneath its scratch-resistant sapphire crystal, the dark display with white and silver-tone accents ensures rapid legibility. At 6 o'clock, a rotating northern hemisphere disc showcases world time with a map design. Functions include hours and minutes, date, power reserve, world time, and a slide rule bezel. Powered by Citizen's Eco-Drive technology, it requires no battery and is water-resistant up to 200 metres.