Citizen Eco Tsuki-yomi A-T - BY1018-55X

Experience the perfect fusion of cutting-edge technology and exquisite design with the Citizen Eco Tsuki-yomi A-T - BY1018-55X. Celebrating Citizen’s 30th Anniversary, this watch is the world’s first moonphase timepiece featuring atomic timekeeping precision. The dial, inspired by the moon’s surface, showcases a dedicated moon phase window at 6 o’clock, adding a celestial touch to every glance.

Crafted in a 43mm silver-tone Super Titanium™ case, the Tsuki-yomi A-T combines sharp faceted edges with refined design details, creating a bold and sophisticated look on the wrist. Its deep red dial is complemented by sleek black accents and silver-tone highlights, delivering both style and legibility.

Beyond its striking appearance, this timepiece is a powerhouse of functionality. Enjoy moon phase tracking, world time across 24 time zones, a perpetual calendar, and day-date display, all powered by Citizen’s innovative Eco-Drive technology—harnessing any light source so you never need a battery. Water-resistant up to 100 meters, the watch runs on Calibre H874, ensuring precision and reliability wherever you go.