




Casio G-Squad Quartz Digital Resin Strap Men's Watch GBD-800-8ER
Official UK Authorised Retailer
Full Manufacturer Warranty
Free Delivery
Easy Returns
Customer Service & Technical Support
Choose options





The Casio G-SHOCK GBD-800-8ER is a rugged digital sports watch from G-SHOCK’s fitness-oriented line, engineered for durability, practical functionality and active lifestyles. Its robust resin case and band are finished in an understated grey tone, delivering the shock resistance that G-SHOCK is renowned for while remaining versatile enough for everyday wear. The case size and lightweight construction provide a comfortable fit for extended use during workouts, daily routines or outdoor activities.
Fitness-Focused Display and Controls
The digital display presents essential information at a glance, including time, date and activity metrics, with large segmented numerals for quick readability. The dial incorporates dual LED illumination to ensure visibility in low-light conditions. Easy-to-operate pushers on the case allow access to functions such as stopwatch, countdown timer and alarms without interrupting ongoing activities or fitness tracking.
Step Tracker and Bluetooth Connectivity
A built-in step tracker counts steps throughout the day and provides basic activity monitoring without needing an external sensor. When paired with a smartphone via Bluetooth, the watch supports data sync to the G-SHOCK Move app, enabling more detailed tracking of workouts, goals and activity history. The smartphone link also supports automatic time adjustment, calendar updates and correction of time settings.
Reliable Construction and Water Resistance
As with all G-SHOCK models, the GBD-800-8ER is engineered to resist shocks and impacts, protecting the module within from accidental knocks and drops. A mineral glass crystal guards the display from everyday abrasion. The case construction supports 200 metres water resistance (20 bar), making it suitable for swimming and surface water sports.
Everyday Sport Practicality
The resin band is durable and flexible, offering secure and comfortable wear throughout active use. Combined with practical functions such as multiple daily alarms, world time and a full-auto calendar, the GBD-800-8ER serves as a capable fitness companion that balances everyday practicality with G-SHOCK’s characteristic toughness.
If you have any questions, please click here
UK Delivery
| Selling Price | Royal Mail 48 (Tracked) |
Royal Mail 24 (Tracked & Signed) |
Special Delivery Next Day (Mon – Fri) |
Special Sunday Delivery (Before Sat 12pm) |
Royal Mail Special Delivery by 1pm |
|---|---|---|---|---|---|
| £0 to £99.99 | FREE | £4.99 | £7.99 | £7.99 | £9.99 |
| £100 to £499.99 | N/A | FREE | £7.99 | £7.99 | £9.99 |
| £500 or more | N/A | N/A | FREE | £7.99 | £9.99 |
We know your order is important to you, so we use Royal Mail’s tracked delivery service on all UK orders.
We also offer Royal Mail Special Delivery service, which for an additional fee offers guaranteed delivery the next day before 1pm.
*Royal Mail Tracked 24 and Royal Mail Tracked 48 services are 98% accurate but not guaranteed.
Orders placed before 5pm (Monday–Friday) are dispatched the same day. Orders placed on Saturday or Sunday are dispatched the following Monday.
International Shipping & Duties (Delivered At Place – DAP)
We’re pleased to offer worldwide delivery with fully tracked and insured shipping.
How international orders work
All international orders are shipped on DAP (Delivered At Place) terms. This means:
- The price you pay at checkout covers your goods and international shipping only.
- WatchNation does not collect or charge any overseas sales tax, import VAT, or customs tariffs (duties).
- When your order reaches your country, local customs authorities may apply:
- Import VAT (value-added tax),
- Tariffs or customs duties (import taxes based on product category and value), and
- Handling or clearance fees from the courier.
These charges are set by your country’s customs authority and are payable by you before delivery.
You’ll be contacted directly by DHL with a secure link to pay any applicable charges. Once cleared, your parcel will be released and delivered promptly.
Estimated delivery times (after dispatch)
- European Union: approximately 2–5 working days
- Rest of World: approximately 5–7 working days
Customs processing times vary by country and may extend delivery slightly.
If import charges, tariffs, or duties are not paid
If local charges are unpaid or delivery is refused, the shipment will be returned to us. In this case, we will refund your order minus the outbound shipping cost and any return or customs fees billed to us by the carrier.
Estimating import costs
Import VAT and duty rates vary by country. You can check estimated import taxes and tariffs by contacting your local customs authority or using your government’s online import calculator.
More about delivery...

Need help?
Frequently Asked Questions
Yes — we are an Authorised Dealer for every brand we sell. All watches come with an official box, papers, and a full manufacturer’s warranty.
Every watch includes a manufacturer warranty. You’ll find more warranty info listed in the product description.
Orders placed before 5pm (Mon–Fri) are dispatched the same day. Order before 12pm on Sat for same-day dispatch. Free UK delivery is available on all orders, and tracking details are provided once shipped.
Yes — you have 14 days from delivery to return or exchange your item, provided it’s unused and in its original packaging.



