Watch Warehouse Community
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CITIZEN TSUKI-YOMI A-T BY1010-57X: INNOVATION AND ELEGANCE IN A SINGLE WATCH
The Citizen Tsuki-yomi A-T BY1010-57X is the world's first watch to combine moonphase with atomic timekeeping. This 30th anniversary model features a 43 mm Super Titanium™ case, a green dial, and Eco-Drive technology for battery-free operation. With world time across 24 zones, perpetual calendar, and 100-metre water resistance, it defines modern sophistication.