Silver-tone stainless steel case and bracelet. Bi-directional rotating green bezel. Analog green dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Luminescent-coated hands and markers for night readability. Date display at 4 o'clock position. Three sub-dials showing: perpetual calendar, world time (including day/night indicator), power reserve; also chronograph functions including a central seconds hand, minutes per hour, running seconds counter and split second hand; gmt function with two time zones displayed simultaneously, one set to the local time and another via atomic update. Radio-controlled movement automatically synchronizes with global atomic clocks for precise world time. Citizen Caliber E660 Eco-Drive movement powered by light energy including regular sunlight, fluorescent light and artificial light (incandescent/fluorescent/natural light). Scratch resistant sapphire crystal lens. Screw-down winding/crown secured against accidental opening. Solid case back. Round 46mm diameter case with a thickness of 13.7mm. Green dial features analog indicators including minutes per hour, central second hand and power reserve indicator; also shows day/night, date and local time. Band width: 26.87mm. Fold over clasp equipped with safety release mechanism prevents band extension during activity. Water resistant to 200 meters (approx. 660 feet) depth suitable for swimming or diving.