'Tsuki-Yomi' Radio-Controlled Moonphase (BY1018-55X) Callum perfect for both formal and

perfect for both formal and everyday wear

This ultra-slim timepiece is powered by a precise Swiss quartz movement

day/night indicator

beauty can also swim

'Tsuki-Yomi' Radio-Controlled Moonphase (BY1018-55X) Callum perfect for both formal andWhen breakthrough technology and spectacular design meet, the Tsuki yomi A T is reading the moon. Its the worlds first moon phase watch combined with atomic timekeeping innovation from Citizen, and this 30th Anniversary model is nothing short of impressive. The styling embodies the moons surface and a window at 6 oclock displays the current moon phase. The timepiece measures 43mm in a silver tone Super Titanium case, where sharp faceted edges pair