12/24-hour time

and pilot's rotating slide rule dial ring

99-Minute Countdown Timer

daylight saving on/off

selectable illumination duration (1

Citizen • JY8030-83E • Eco-Drive Promaster Navihawk A-T Color:Silver 12/24-hour timeGo where the wind takes you with CITIZEN's PROMASTER Navihawk A T. With Atomic Clock synchronization for superior accuracy, this perpetual calendar chronograph is radio controlled with world time in 43 cities. This sporty timepiece has a stainless steel case and mesh bracelet with a black dial and is water resistant to 200 metres. Additional features include a 1 100 second chronograph that measures up to 24 hours, 99 minute countdown timer, 2 alarms,