Citizen
Citizen Tsuki-yomi BY1010-81H
Product Information
Overview
The Citizen BY1010-81H is a groundbreaking men's watch that combines advanced technology with elegant design. It is equipped with the world's first radio-controlled moon phase movement and Eco-Drive function, which means that the watch is charged by light and never needs a battery change. The gray-black dial with a lunar texture creates a unique space-inspired expression, while the case and bracelet in Super Titanium™ provide both strength and lightness.
Comfort
Despite its advanced functionality, the model is designed for maximum comfort. With a case size of 43 mm and a weight of only 101 grams thanks to Super Titanium™, the watch sits light and stable on the wrist. The durable material is skin-friendly and 40% lighter than stainless steel. The sapphire crystal is scratch-resistant, while the strap with solid buckle provides a secure fit for everyday use and travel around the world.
Summary
The Citizen BY1010-81H represents innovation in modern watch technology. With multi-region radio control, moon phase display, world time and Eco-Drive, you get a reliable watch that combines functionality with futuristic design. Its exclusive material choice in Super Titanium™, scratch-resistant sapphire crystal and space-inspired dial make it the perfect watch for the style-conscious man who wants to combine precision and aesthetics.
Measurements & Material
- Strap material
- Titanium
- Diameter
- 43 mm
- Width of bracelet
- 22 mm
- Thickness
- 10 mm
- Glass
- Sapphire
- Clockwork
- Quartz
Design & Style
- Case color
- Silver
- Color of strap
- Silver
- Dial color
- Grey
- Style
- Sport-Dress
- Target group
- Men’s
- Water protection (ATM)
- 10
- Trademark
- Citizen
Technical details
- Features
- Date
- Solar-powered
- Radio controlled
Delivery
For some products, the delivery time is 1–2 business days. Orders placed before 3:30 PM on weekdays are usually shipped the same day and delivered the next business day, depending on your location in the country. For other products, the estimated delivery time is 3–6 business days.
Returns
We want you to feel completely confident when shopping with us. That's why we offer a 30-day right of return from the day you receive your order. If you change your mind about your purchase or if the watch doesn't meet your expectations, you can easily return it for an exchange or refund. For returns, you will conveniently receive a QR code to use for the return process. Read more about the terms and conditions here.
All watches at Kronura come with a minimum 2-year warranty.
What if the watch stops working?
When you shop at Kronura, you can feel secure – we handle the entire warranty process from start to finish. Should anything unexpected happen to your watch during the warranty period, you only need to contact us, and we will take care of the rest.
1. Contact us via email at (Support@kronura.se). Describe the fault as clearly as possible and attach images if possible.
2. Wait for a response from our customer service team, who will get back to you within 1–2 business days with further instructions.
3. We manage the process – Kronura arranges for the watch to be sent to the brand's authorized service center.
4. Resolution and feedback – you will be notified by us when the matter is resolved and the watch has been repaired, replaced, or rectified according to the warranty terms.
Do you need help? We're here for you.
Please contact us if you have questions about:
- Your order
- Products and availability
- Delivery or returns
- Warranty and complaints
- Care and maintenance of your watch
Frequently asked questions
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When your order ships, you will receive a tracking number via email. Delivery is made with Postnord and can be tracked directly on their website.
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We have a watch guide on our website that helps you choose the right size based on your wrist size and personal style.
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Yes, we offer installment payments via Klarna, allowing you to pay at your own pace and feel secure throughout the entire purchase.