Citizen Eco-Drive Men's Blue Angel World Chronograph A-T Watch. This Eco-Drive watch is powered by light, and features atomic timekeeping with radio control. Get automatic time in 26 world cities and radio-controlled accuracy in 5 zones. This Blue Angels edition features a 43mm stainless steel case and bracelet with blue dial and yellow accents. Has a perpetual calendar chronograph, 60 minute 1/20 second chronograph, power reserve indicator and day/date and 12/24 hour time. Comes with anti-reflective sapphire crystal.