Citizen BY1010-81Z Tsuki-yomi A-T Atomic Timekeeping Super Titanium Purple Dial Moonphase Casio Baby-G Whale Clear/Purple Digital BG169G-7BCR If there's one word that

If there's one word that sums up the Slimline Perpetual Calendar Manufacture Designed by Peter Speake

ultimately devising a legendary pilot chronograph for the German Armed Forces in the 1950s

Dial: Navy Blue Dial

For the first time in the collection

The iconic 40mm dial is protected by a hardened mineral crystal

Citizen BY1010-81Z Tsuki-yomi A-T Atomic Timekeeping Super Titanium Purple Dial Moonphase Casio Baby-G Whale Clear/Purple Digital BG169G-7BCR If there's one word thatWhen breakthrough technology and spectacular design meet, the Tsuki yomi A T is reading the moon. It's the world's first moonphase watch combined with atomic timekeeping innovation from Citizen, and this model is nothing short of impressive. The styling embodies the moon's surface and a window at 6 o'clock displays the current moon phase. The timepiece measures 43mm in a silver tone Super Titanium case, where sharp faceted edges pair with an elevated