Casio
Casio G-Shock GM-2100-1AER

Product Information
Overview
The Casio GM-2100-1AER is a modern interpretation of the iconic G-SHOCK series, where ruggedness meets stylish design. The brushed steel construction combines with digital and analog elements to create a powerful yet elegant look. With its unique octagonal bezel and versatile features, this is a watch that is suitable for both everyday use and more demanding activities.
Comfort
The watch is lightweight thanks to its durable resin strap that provides high comfort and flexibility. The brushed steel case protects against shocks, while the mineral glass provides good scratch resistance. The 20 ATM water resistance makes the model suitable for swimming, snorkeling and intensive training. With luminescent hands and backlighting, it is easy to read even in the dark.
Summary
Combining the renowned durability of the G-SHOCK series with a more elegant and urban aesthetic, the Casio GM-2100-1AER strikes the perfect balance between functionality and style with its durable materials, smart features and modern design. A watch that is as natural in the office as it is in the great outdoors – built to last in any condition.
Measurements & Material
- Strap material
- Resin
- Diameter
- 44 mm
- Width of bracelet
- 22 mm
- Thickness
- 11 mm
- Glass
- Mineral
- Clockwork
- Quartz
- Caliber
- 5611
Design & Style
- Case color
- Silver
- Color of strap
- Black
- Dial color
- Silver
- Style
- Sport-Dress
- Target group
- Men’s
- Water protection (ATM)
- 20
- Trademark
- Casio
Technical details
- Screw-down crown
- Nej
- Features
- Date
- Day display
- Chronograph
- Alarm
- 24-hour display
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.



