Citizen Tsuki-yomi Moon Phase Watch - BY1010-57X

Name: Citizen Tsuki-yomi Moon Phase Watch - BY1010-57X
Brand: Citizen
SKU: yguy7pallb
Availability: InStock

Introducing the Citizen 'Tsuki-yomi' radio-controlled Moon Phase watch, a groundbreaking timepiece...

Best current price£699.00from Citizen Watch

Best offers

Shopping.co.uk recommended and popular offers

Lowest priceMost popular

Citizen Watch£699.00Visit shop

Silver 'Tsuki-Yomi' Radio-Controlled Moonphase

Visit shop

All Offers

4 offers from £699.00

View price history by clicking the chart icon.

Citizen WatchSilver 'Tsuki-Yomi' Radio-Controlled Moonphase

Free delivery in 1–3 days

£699.00

Visit shop

Ernest JonesMen's Citizen Tsuki-Yomi Green Moon Phase Titanium Bracelet Watch

Free delivery in 1–3 days

£699.00

Visit shop

F.Hinds JewellersCitizen Men's Size 30 Light/Green Super Titanium™ 'Tsuki-Yomi' Moon Phase Watch - W38382 By1010-57X

Free delivery in 1–3 days

£699.00

Visit shop

First Class WatchesCitizen BY1010-57X 'Tsuki-Yomi' Radio-Controlled Moonphase ( Watch

Free delivery in 1–3 days

£699.00

Visit shop

Product Information

Full details

This guide is for owners of the Citizen Tsuki-yomi Moon Phase Watch (BY1010-57X), providing essential information for optimal use. This watch offers the unique advantage of a fully analog moon phase display in a light-powered watch, eliminating the need for battery changes. Note that while the watch is radio-controlled for time accuracy, the moon phase display is based on Citizen's proprietary "Luna Program" and may require initial setup for your location.

All features

Series	Tsuki-yomi
Model Part Number	BY1010-57X
Brand	Citizen

Extended Product Information

FAQs

How often does the watch need to be charged?

The Citizen Eco-Drive technology eliminates the need for battery changes. The watch charges from any light source, ensuring continuous operation.

How accurate is the timekeeping?

The watch receives radio signals for precise timekeeping, offering an accuracy of ±15 seconds per month when not receiving radio signals.

What is the water resistance of the watch?

Refer to the watch's manual for the specific water resistance rating and instructions for use.

Can I manually adjust the moon phase display?

The moon phase display is calculated automatically using the "Luna Program." Consult the manual for any available manual adjustment options.

What materials is the watch made of?

The watch is made of Super Titanium™, a proprietary material from Citizen known for its durability and lightweight properties.

How do I set the time zone?

Follow the instructions in the manual for setting the time zone. The watch will then attempt to receive a radio signal for accurate time.

Where can I find the user manual?

You can find the user manual either in the watch box or on the Citizen website, by searching for the model number BY1010-57X.

What is the warranty period?

Please refer to the warranty information that came with your watch. Typically, Citizen watches have a warranty period of one or more years.

Troubleshooting

Watch is not keeping accurate time.

Attempt to manually receive a radio signal by following the instructions in the manual. Ensure the watch has sufficient charge.

Moon phase display is incorrect.

Verify the time zone settings. If the issue persists, the watch may require recalibration. Contact Citizen customer support.

Watch is not charging.

Ensure the watch is exposed to light. Try different light sources, such as sunlight or a bright lamp. It may need to be exposed to light for several hours.

Pros and Cons

Pros

Eco-Drive technology ensures continuous operation without battery changes.
Radio-controlled timekeeping provides exceptional accuracy.
The unique analog moon phase display adds a distinctive and functional feature.
Super Titanium™ construction offers durability and a comfortable wearing experience.
Elegant design with a striking green moon surface pattern on the dial.

Cons

Initial setup may be required to configure the moon phase display for your location.
The watch's radio signal reception may be affected by location and environmental factors.
Limited information available for adjusting the moon phase display manually.
The watch is only 43mm in size, which may not appeal to all users.
Super Titanium can scratch and require specific cleaning products.

Setup, Compatibility & Care

Initial Setup: Upon receiving the watch, ensure it is fully charged by exposing it to light. Follow the instructions in the manual to set your time zone and receive a radio signal for accurate time. The moon phase will automatically adjust based on the watch's internal calculations. This setup requires the specific location.
Radio Signal Reception: For optimal radio signal reception, wear the watch in areas with clear access to the sky. Reception can be affected by buildings, mountains, and weather conditions. Consult the manual for troubleshooting radio signal issues.
Charging: The Eco-Drive technology charges the watch from any light source, including sunlight and artificial light. Avoid storing the watch in complete darkness for extended periods.
Care: Clean the watch with a soft, dry cloth. For tougher stains, use a slightly damp cloth. Avoid using harsh chemicals or abrasive cleaners.
Water Resistance: The watch has a water resistance rating, but it's important to confirm the rating in the watch’s manual before exposing it to water.