Tsuki-yomi A-T BY1018-55X
A radio-controlled moonphase watch that turns Citizen's technical calendar language into a graphic burgundy dial.
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Story & heritage
Tsuki-yomi A-T is named for the moon and shows Citizen using its technical toolkit for more than pure utility. The official product page presents BY1018-55X around atomic timekeeping, a moonphase display and light-powered Eco-Drive.
It fits Citizen's longer arc from quartz accuracy to Eco-Drive convenience: a watch that synchronizes time while keeping a visible astronomical complication on the dial.
Materials & craft
Official specifications list a Super Titanium case and bracelet, Duratect surface treatment, sapphire crystal, Eco-Drive power and atomic timekeeping. The dial combines subdials, moonphase indication and a metallic burgundy finish.
How to choose & style
Let the dial color lead. Burgundy works with grey tailoring, navy outerwear and black knitwear; the titanium bracelet keeps the visual weight lighter than the complication count suggests.
