Citizen Men’s AT4007-54E Perpetual Chrono A-T Watch

Atomic timekeeping, the most accurate watch in the world
Black ion plated stainless steel case and bracelet, 42mm case
Non reflective sapphire glass
1 second chronograph measures up to 60 minutes, perpetual calendar, radio controlled in 5 time zones, alarm, 12/24 hour time, power reserve indicator
200 meters water resistant Perpetual Chronograph A-T CollectionCitizen Eco-Drive with atomic timekeeping, the Perpetual Chrono A-T. Atomic clock synchronization for superior accuracy in 5 time zones, this perpetual calendar chronograph with alarm also features an anti-reflective sapphire crystal and brown ion plated bezel. Synchronized to Atomic Clo More »