Citizen Eco-Drive Radio-Controlled Chronograph World Timer; Blue Angels edition with caseback insignia. Atomic time in 26 world cities; radio-controlled accuracy in 5 zones. 1/20 second chrono measures up to 60 minutes, perpetual calendar, 12/24 hour time, power reserve, non-reflective sapphire crystal. Stainless steel with blue ion plating. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number H800.
H800, Synchronized to Atomic Time Clock for Superior Accuracy, Atomic Timekeeping Technology with Synchronized Time Adjustment Available in 26 Time Zones, 1/20 Second Chronograph Measures up to 60 Minutes, Perpetual Calendar, 12/24 Hour Time, Power Reserve Indicator, Day/Date