A sport watch featuring a perpetual calendar function with atomic timekeeping. Radio controlled for accuracy across world time, day and date functions. Equipped with chronograph sub-dials displaying 24-hour, day-of-week progression over two zones and seconds. Analog dial type in green features luminous hands and index-Arabic numeral markers at 6 and 12 o'clock positions; minute numerals encircle the bezel. Powered by Citizen's Caliber H804 Eco-Drive movement which utilizes light energy including satellite time signals for precise adjustment. Protected by sapphire crystal with scratch resistance. Includes a solid case back, round case measuring 48mm diameter and 13mm thickness, grey stainless steel bracelet and bezel. Water resistant to 200 meters or approximately 660 feet depth suitable for diving conditions.