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The Casio GM-5600U-1ER is a robust G-SHOCK timepiece from the ORIGIN 5600 SERIES, offering a modern reinterpretation of the iconic 5600 design that has been popular since the 1980s. This model seamlessly blends vintage appeal with contemporary enhancements, featuring a durable resin case complemented by a resilient stainless steel bezel. It embodies G-SHOCK's relentless pursuit of "Absolute Toughness," making it a dependable accessory for any adventure or urban environment.
Beyond its striking aesthetic, this watch is engineered for superior performance and versatility. It boasts exceptional shock resistance and an impressive 200-metres water resistance, ensuring durability in demanding conditions. The updated LED backlight technology, featuring a Super Illuminator, provides significantly improved visibility in low-light environments. With a multi-function alarm, stopwatch, and a battery life of approximately five years, the GM-5600U-1 is a highly functional and stylish choice suitable for a wide array of styles, from utilitarian to street fashion and sports.
Key Features:
Classic 5600 design updated with modern features.
Superior shock resistance for extreme durability.
200-metres water resistance for various activities.
Super Illuminator LED backlight for enhanced visibility in darkness.
Long-lasting battery life of approximately five years.
Who is it For?
This G-SHOCK watch is ideal for individuals who appreciate the enduring appeal of the classic 5600 series, combined with modern technological advancements. It is perfectly suited for those with an active lifestyle who require a highly durable and reliable timepiece capable of withstanding challenging conditions. Its versatile design makes it an excellent choice for a wide range of fashion styles, including utilitarian, street trends, and sports fashion enthusiasts.
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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 Delivery
We are pleased to offer worldwide shipping. For accurate shipping rates, please add the item to your basket. Once you enter your shipping address, you will be offered all available options.
For the EU, EEA, and the rest of the world, the total price shown at checkout includes only the outbound Royal Mail / DHL shipping cost. You will be contacted by Royal Mail / DHL regarding duties and taxes. If you refuse the parcel and do not pay the required customs or duties, the outbound shipping cost will be deducted from your refund.
On average, delivery to the EU takes 3–5 working days, and delivery to the rest of the world takes 5–7 working days.
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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 30 days from delivery to return or exchange your item, provided it’s unused and in its original packaging.


