Casio
Casio G-Shock Octagon Series GA-2100BM-7A8ER

Product Information
Overview
The Casio model with caliber 5730 is a sporty men's watch that combines functionality and durability. With its robust resin case, 20 ATM water resistance and mineral glass, the watch is built to withstand both everyday life and adventures. The gray-tone dial with white case and bracelet creates a modern contrast, while functions such as date, day of the week, world timer and stopwatch make it both practical and versatile. (420 characters)
Comfort
The watch's white resin strap makes it light and comfortable to wear, even for long periods. The 45 mm diameter case and 12 mm thickness provide a balanced size that sits firmly on the wrist without feeling bulky. The light weight and durable material make it particularly suitable for an active lifestyle where comfort and function go hand in hand. (420 characters)
Summary
This Casio is a versatile choice for the active man who wants to combine sporty design with reliable functions. With its white resin case, gray dial and robust construction, it offers both style and durability. 20 ATM water resistance, stopwatch and world timer make the model ideal for sports and everyday use, while remaining comfortable all day long. (420 characters)
Measurements & Material
- Strap material
- Resin
- Diameter
- 45 mm
- Width of bracelet
- 24 mm
- Thickness
- 12 mm
- Glass
- Mineral
- Clockwork
- Quartz
- Caliber
- 5730
Design & Style
- Case color
- White
- Color of strap
- White
- Dial color
- Grey
- Target group
- Men’s
- Water protection (ATM)
- 20
- Trademark
- Casio
Technical details
- Features
- Stopwatch
- Date
- Day display
- 24-hour display
- World timer
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
-
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.
-
We have a watch guide on our website that helps you choose the right size based on your wrist size and personal style.
-
Yes, we offer installment payments via Klarna, allowing you to pay at your own pace and feel secure throughout the entire purchase.

