Casio
Casio G-Shock G-Squad GBD-300-1ER

Product Information
Overview
The Casio GBD-300-1ER (Item number: GBD-300-1ER) is a high-performance digital watch from Casio's G-SQUAD series, designed for active users with a focus on training and function. The watch has a durable and lightweight bio-based resin case, which, combined with a flexible strap, makes it ideal for both training, outdoor activities and everyday use. With Bluetooth functionality, the watch can be connected to your smartphone for time synchronization and detailed analysis of activity in the G-SHOCK MOVE app. The high-resolution MIP display with LED backlighting provides excellent readability even in poor lighting conditions. Its sporty appearance and technical features make it a versatile choice for all types of users.
Comfort
The Casio GBD-300-1ER is designed with comfort and freedom of movement in mind. The bio-based resin bracelet has a soft urethane surface on the underside to reduce pressure and friction during prolonged use. The bracelet is easy to adjust thanks to tight holes, which means it fits most wrists with perfect precision. The ergonomic shape means the watch follows the contours of the wrist and feels natural to wear – even during longer workouts or all-day activities.
Summary
The Casio GBD-300-1ER is a modern sports watch that combines durability, function and style. With its shockproof design, 20 ATM water resistance and Bluetooth connectivity, it offers everything you need for an active lifestyle. The watch is compatible with the G-SHOCK MOVE app, which allows for in-depth analysis of training data and progress. Whether you are working out, swimming or need a reliable digital watch for everyday use, this model is an excellent choice - robust, technologically advanced and comfortable to wear.
Measurements & Material
- Strap material
- Resin
- Diameter
- 47 mm
- Width of bracelet
- 22 mm
- Thickness
- 15 mm
- Glass
- Mineral
- Clockwork
- Quartz
Design & Style
- Case color
- Black
- Color of strap
- Black
- Dial color
- Black
- Style
- Sport-Dress
- Target group
- Unisex
- Water protection (ATM)
- 20
- Trademark
- Casio
Technical details
- Daily alarm
- 4 st
- Weight
- 60 g
- Features
- Date
- Day display
- Countdown timer
- GMT
- Bluetooth
- Luminous hands
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.



