Citizen JY0000-02E Mens Black Skyhawk Flight Eco-Drive Chronograph Watch

Atomic timekeeping with radio-controlled accuracy
World time in 43 cities
2 alarms
1/100 second chronograph that measures up to 24 hours
99 minute countdown timer
Perpetual calendar
Digital display light
Greenwich Mean Time display
Rotating slide-rule bezel
Non-reflective mineral crystal
Power-reserve indicator