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Citizen Tsuki-yomi A-T

Citizen Tsuki-yomi A-T

SolarTitanium

Ref. BY1010-57X

Case size: 43mmMovement: H874

The Citizen Tsuki-yomi A-T, reference BY1010-57X, has a 43 mm Super Titanium case rated to 100 metres, with 22 mm lugs and a green dial. Its perpetual calendar and world time displays sit beneath sapphire. The faceted round case is 10.87 mm thick beside a titanium bracelet. Push buttons operate the bracelet's folding clasp. Eco-Drive solar calibre H874 is charged by light and never needs a battery. Weekday and date indications share the lunar-surface-inspired design with a moon phase window.

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Last updated 20 Oct 2026Suggest a correction

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