Casio
Casio G-Steel GM-2100YMG-9AER

Product Information
Overview
The Casio GM-2100YMG-9AER (Item number: GM-2100YMG-9AER) is an eye-catching watch that combines the rugged G-SHOCK aesthetic with a sophisticated gold finish. The iconic octagonal bezel in gold-plated stainless steel gives a bold and exclusive impression, while the durable resin case stands for function and durability. With features like the Super Illuminator, precise timekeeping and an impressive 20 ATM water resistance, this is a watch that performs as well as it looks - perfect for both everyday wear and special occasions.
Comfort
The Casio GM-2100YMG-9AER is designed to provide maximum comfort despite its robust form. The silicone strap with urethane coating gives a metallic shine while feeling soft and supple against the skin. With its light weight of only 84 grams and a modest case size of 44.4 mm, the watch sits stable and comfortable on the wrist, without feeling heavy or bulky. It is suitable for both active use and as an elegant accessory.
Summary
The Casio GM-2100YMG-9AER is an exclusive expression of the power and design of the G-SHOCK series, with a golden overall look that attracts attention. The combination of luxurious aesthetics, high functionality and reliable durability makes this model a real statement for the style-conscious. With shock-resistant construction, 20 ATM water resistance and advanced features, this is not just a watch - it is an accessory choice that signals both taste and strength.
Measurements & Material
- Strap material
- Stainless steel
- Diameter
- 44 mm
- Width of bracelet
- 49 mm
- Thickness
- 12 mm
- Glass
- Mineral
- Clockwork
- Quartz
Design & Style
- Case color
- Gold
- Color of strap
- Gold
- Dial color
- Black
- Style
- Sport-Dress
- Target group
- Unisex
- Water protection (ATM)
- 20
- Trademark
- Casio
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.

