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Tsuki-Yomi Watches
The world's first light-powered radio-controlled moon phase movement.
Tsuki-Yomi
The world's first light-powered radio-controlled moon phase movement.
Tsuki-Yomi
The world's first light-powered radio-controlled moon phase movement.
When breakthrough technology and spectacular design meet, discover the Tsuki-yomi A-T collection. Sport luxury styling merges with proprietary technology in the world’s first moon phase watch with Atomic Timekeeping innovation for superior accuracy. Powered by any light with Citizen's Eco-Drive technology.