
Citizen Tsuki-yomi AT BY1010-57L, Titanium Eco-Drive Radio-Controlled Watch
This men's Citizen Eco-Drive watch features radio-controlled accuracy, a perpetual calendar, moon phase display, and a durable titanium case and bracelet.
€826.98 incl. VAT
In stock
Sign in to save favourites- Dispatched within 1–2 business days. Delivery in 2–5 business days (Mon–Fri).
- 2-year EU legal warranty of conformity
Description & specifications
Tsuki-yomi AT. Men's watch. Eco-Drive system, which does not require battery replacement. Powered by solar energy, with an energy reserve of 180 days. Functions include automatic energy saving, charge indicator, and overcharge prevention. Protected from magnetic fields. Automatic reception of signals from radio towers located in various parts of the globe, which transmit time signals from specific atomic clocks. Time correction by radio signal throughout almost all of Europe, the USA, Japan, and China. World time - 24 cities, with automatic switching to winter and summer time. Automatic moon phase indicator. Function to switch moon phase display between the Northern and Southern Hemispheres. Manual moon phase calibration. 12-hour and 24-hour time format. The textured dial is inspired by the surface of the moon and is protected by durable sapphire glass. Markers in the form of strokes. The date window is located at the 4 o'clock position. Retrograde day of the week indicator. Bracelet with a folding clasp.
Key features
- Eco-Drive solar power with 180-day reserve
- Radio-controlled timekeeping across multiple regions
- Perpetual calendar and moon phase display
Specifications
- Brand
- Citizen
- Reference (MPN)
- BY1010-57L
- EAN
- 4974375435087
- Country of origin
- Japan
- Movement
- Quartz
- Calibre
- Citizen H874
- Case material
- Titanium with Duratect TIC coating
- Dial
- Blue, black
- Bracelet/Strap
- Titanium with Duratect TIC coating
- Water resistance
- 100m (10 ATM)
- Luminescence
- Luminous hands and markers
- Crystal
- Sapphire
- Calendar
- Perpetual calendar: date, day of week, moon phases
- Case diameter
- 43mm
- Case thickness
- 10mm
- Bracelet width
- 22mm
- Alternative reference
- BY1010-81L
Warranty
Every order is covered by the 2-year EU legal warranty of conformity from the day of delivery. If a fault appears, contact us and we arrange collection and a repair, replacement or refund at no cost to you.
Where the manufacturer adds its own warranty, the card or booklet is included with the watch.
ContactDelivery
Dispatched within 1–2 business days, Monday to Friday. Every parcel is tracked and insured. Free delivery across Europe.
| Destination | Cost | Transit |
|---|---|---|
| Belgium, Netherlands, Luxembourg | Free | 1–2 business days |
| Germany, France | Free | 2–3 business days |
| Rest of the EU | Free | 3–5 business days |
Carrier: DHL Express / DPD.
Shipping policyOrder & payment
Pay securely at checkout with:
- Bank transfer (SEPA)
- Visa / Mastercard — payment link by email
Bank transfer: you see our bank details right after placing the order. Card: we email you a secure payment link for your order, where you pay by Visa or Mastercard.
Payment methodsReturns
Changed your mind? Return the watch unworn, with its tags and papers, within 30 days of delivery. We refund you within 7 business days of receiving it.
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