Atomic Timekeeping
With bold design and superior accuracy, Citizen A-T watches synchronize
to an atomic clock with a margin of error of just one second in 100,000 years.
Time travels with you
Timekeeping accuracy isn’t just a matter of when, it’s also a matter of where. With transmitters in the United States, Germany, China, and Japan, Atomic Timekeeping receives signals globally, keeping your watched synced to the exact time, anywhere on earth, no matter how remote.
Atomic Timekeeping
38 products
Atomic Timekeeping
38 products
Tsuki-Yomi A-T
Sport Luxury
Promaster Skyhawk A-T
Promaster Skyhawk A-T
Promaster Navihawk A-T
Sport Luxury
Sport Luxury
World Chronograph A-T
World Chronograph A-T
Tsuki-Yomi A-T
Sport luxury styling merges with proprietary technology in the world’s first moon phase watch with Atomic Timekeeping innovation for superior accuracy.
Tsuki-Yomi A-T
Tsuki-Yomi A-T
Tsuki-Yomi A-T
Tsuki-Yomi A-T
Sport Luxury
Promaster Skyhawk A-T
Promaster Skyhawk A-T
Promaster Skyhawk A-T
Promaster Skyhawk A-T
Promaster Skyhawk A-T
Promaster Sikorsky
Promaster Geo Trekker
Promaster Geo Trekker
Promaster Air A-T
Promaster Air A-T
PCAT
PCAT
PCAT
PCAT
PCAT
ATTESA LIGHT in BLACK
ATTESA
ATTESA
ATTESA
ATTESA
Sport Luxury
Promaster Navihawk A-T
Promaster Navihawk A-T
ATTESA
Discover More Collections
ATTESA
Combining unmatched craftsmanship and technology, ATTESA delivers a luxurious fit and finish, embodying the future of timekeeping in every detail.
ATTESA
Combining unmatched craftsmanship and technology, ATTESA delivers a luxurious fit and finish, embodying the future of timekeeping in every detail.
Promaster
Embodying the spirit of adventure in the air, on land or at sea, Promaster watches live up to the values of functionality, durability, and safety while respecting the planet it’s designed to explore.
Promaster
Embodying the spirit of adventure in the air, on land or at sea, Promaster watches live up to the values of functionality, durability, and safety while respecting the planet it’s designed to explore.
TSUYOSA
Discover ultramodern sports styling with a colorful pop of personality. Our TSUYOSA collection is crafted to seamlessly elevate your look for every occasion.
TSUYOSA
Discover ultramodern sports styling with a colorful pop of personality. Our TSUYOSA collection is crafted to seamlessly elevate your look for every occasion.