Stainless steel case with a stainless steel link bracelet. Rotating slide bezel. Black dial with luminous hands and index hour markers. Perpetual. Quartz movement. Scratch resistant mineral crystal. Case diameter: 45 mm. Push button deployment clasp. Water resistant at 200 meters / 660 feet. Functions: hours, minutes, seconds, calendar, alarm, countdown timer, chronograph, calendar, day, world time, GMT, solar, atomic, time zone, sport, digital analog. Additional Info: atomic timekeeping with radio controlled accuracy, flight chronograph, sport watch, solar powered, world time for 43 international cities, 2 alarms, 9. Citizen Skyhawk A-T Stainless Steel Chronograph Atomic Mens Watch JY0000-53E.