Citizen Tsuki-Yomi Radio-Controlled Moon Phase Watch - Blue
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Product Information
Full details
The Citizen Tsuki-Yomi Radio-Controlled Moon Phase Watch is designed for watch enthusiasts who appreciate precision, innovative technology, and elegant design. The watch offers unparalleled accuracy with its radio-controlled functionality, powered by light through Eco-Drive technology, eliminating the need for battery replacements. Note that while the watch is highly accurate, it relies on radio signals for time synchronization, so signal availability may vary depending on location.
All features
| Series | Tsuki-yomi |
|---|---|
| Model Part Number | BY1010-57L |
| Brand | Citizen |
Extended Product Information
FAQs
How does the radio-controlled feature work?
The watch receives radio signals to automatically set the time and date, ensuring high accuracy.
How long does the watch stay charged?
The Eco-Drive technology allows the watch to run for months on a full charge, even in darkness.
Is the watch water-resistant?
Yes, the watch is water-resistant. Check the specifications for the exact water resistance level.
How do I set the time zone?
The watch automatically adjusts to the time zone when it synchronizes with the radio signal. Manual adjustments can be made via the crown and buttons.
What kind of light charges the watch?
The watch can be charged by any light source, including sunlight, fluorescent light, and even moonlight.
How do I maintain the Super Titanium™ case?
Clean the case with a soft, damp cloth. Avoid using harsh chemicals that could damage the surface.
Where can I get the watch serviced?
You can take your watch to an authorized CITIZEN service center or contact CITIZEN customer support for assistance.
What should I do if the watch stops working?
First, make sure the watch is fully charged by exposing it to light. If the issue persists, consult the troubleshooting section or contact customer service.
Troubleshooting
Watch is not keeping accurate time.
Attempt manual radio synchronization. Ensure the watch has sufficient charge and is exposed to light. Check for obstructions that may be blocking the radio signal.
Moon phase display is incorrect.
Check the date setting and ensure the watch is synchronized with a radio signal. Refer to the user manual for moon phase correction instructions.
Watch is not charging.
Ensure the watch is exposed to light. Check the power reserve indicator to confirm charging status. If the issue persists, contact a CITIZEN service center.
Buttons are unresponsive.
Check the crown's position, and make sure it is not locked. Reset the watch by following the instructions in the user manual.
Pros and Cons
Pros
- Exceptional Accuracy: Radio-controlled timekeeping ensures precise time synchronization.
- Eco-Drive Convenience: Powered by light, eliminating battery replacement hassles.
- Elegant Design: Features a sophisticated moon phase display and striking dial.
- Durable Build: Constructed with Super Titanium™ for long-lasting wear.
- Advanced Movement: The Caliber H874 movement provides reliable and accurate performance.
- Sustainable: Powered by any light source, including moonlight.
Cons
- Radio Signal Dependence: Accuracy relies on the availability of radio signals.
- Potential Learning Curve: Understanding all features may require familiarization.
- Premium Price: Reflects advanced technology and materials.
- Limited Availability: As a special edition, it may have limited distribution.
- Complex Features: Some users might find the functions overwhelming initially.
- Requires Periodic Synchronization: To maintain accuracy, the watch needs periodic synchronization.
Setup, Compatibility & Care
Setup
- Initial Charging: Expose the watch to light to ensure it is fully charged before use.
- Time Zone and Radio Synchronization: The watch will automatically attempt to synchronize with radio signals to set the time and date. Refer to the user manual for manual synchronization steps if needed.
- Setting the Date and Moon Phase: Adjust the date and moon phase using the crown and buttons, following the instructions provided in the manual.
Compatibility
The watch is compatible with various wrist sizes due to the adjustable strap. Its Eco-Drive technology allows it to function under any light conditions, indoors or outdoors.
Care
- Cleaning: Clean the watch with a soft, damp cloth. Avoid using harsh chemicals.
- Exposure to Light: Ensure the watch is regularly exposed to light to maintain its charge.
- Storage: Store the watch in a place where it can receive light to keep it charged, especially when not in use.