Tsuki-yomi A-T
Atomic Timekeeping / Super Titanium
When 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 30th Anniversary 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 design throughout for an eye-catching aesthetic on the wrist. The blue dial works in tandem with black accents and silver-tone touches for a display that’s as handsome as it is legible. In addition to its running time, the watch features a moon phase display, world time in 24 time zones, a perpetual calendar, and day-date functionality. Powered by Citizen’s proprietary Eco-Drive technology to provide light-powered vitality without ever needing a battery. Water resistant up to 100 metres. Calibre H874.
Model #: BY1010-57L
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Product Details
Model
- BY1010-57L
Movement
- H874
- Eco-Drive
- Powered by any light source, continuously and sustainably, eliminating the need to replace watch batteries.
Dial
- Blue
Case
- 43 mm
- Silver-Tone
- Super Titanium
Lug
- 22 mm
Band
- Bracelet
- Super Titanium
- Fold Over Clasp with Push Button
Crystal
- Sapphire Crystal
- Superior scratch resistance and hardness
Water-Resistance
- WR100/10Bar/333ft (Swimming, Marine Sports)
Weight (g)
- 105 g
Additional Functions
- Moonphase Indicator
- World Time in 24 Time Zones
- Day/Date
- Radio-Controlled
- Perpetual Calendar
Reviews
The Definitive Moon Watch
I adore this watch. I had been wanting to get one for some time and once I saw one in person I couldn't resist. The blue dial is just stunning and the perpetual calendar function is incredible. There is nothing about the watch that does not live up to the hype. One critique that I actually found to be a plus, personally, was the light bracelet. It is nearly weightless. It has such a great on-wrist feel you forget it's there. I can see how this could be a knock for some, however.
Very good quality
I am very pleased with the look and the multiple functions of this watch, very light, sharp and a great value. Will buy more Citizen products.
Awesome Watch
Watch is beautiful, light and has amazing features. Setup was easy.
A gift they loved!
I purchased this watch as a gift, and the recipient loved it! Shipping was very quick, and the watch was packaged perfectly. I’m so pleased with the experience.