This Citizen Promaster Perpetual Chrono A-T watch features atomic clock synchronisation for superior accuracy. It includes world time in 24 cities, a perpetual calendar, a 1-second chronograph measuring up to 60 minutes, 12/24-hour time, an alarm, and a power reserve indicator. The watch has anti-reflective sapphire crystal, a tachymeter bezel, and water resistance up to 200m. It features a stainless steel case and bracelet with a green dial and white accents. The Eco-Drive technology is powered by light, meaning it never needs a battery. This high-performance timepiece, with its dashboard-inspired dial and radio-controlled time function, is perfect for those looking to showcase their sporting spirit. The virtually unscratchable sapphire glass and water resistance up to WR200/20 bar ensure ultimate sporting precision. Additional functions include perpetual calendar, 12/24 hour and world time, day and date, alarm, and daylight savings functioning. The watch has a 44.6mm stainless steel case and a solid stainless steel band. Calibre: E660. Features luminous fill hands and markers, and a date window.