G-Shock GA-100-1A4ER Multifunction Watch

G-shock Ga-100 One Size Black

4.5 (227)

G-Shock GA-100-1A4ER Multifunction Watch

Overall Rating: 4.9 / 5 (average from multiple review sources, as of 5 Sept 2026)
Based on a total of 5,911 customer reviews from independent review platforms.

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Cheapest Total Price
1-3 working days
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£77.00
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Casio G-shock Ga-100 Watch Black Men

Overall Rating: 4.1 / 5 (average from multiple review sources, as of 2 Sept 2026)
Based on a total of 30,020 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

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pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
8-10 working days
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£82.99
Delivery from £4.99

Casio Mens G-Shock Watch RRP £110. New and Boxed. 2 Year Warranty.

Overall Rating: 1.2 / 5 (average from multiple review sources, as of 2 Sept 2026)
Based on a total of 23,739 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

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pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 3 - 4 working days of receiving cleared payment.
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£88.77
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Casio G-shock Mens Black Watch GA-100-1A4ER - One Size

Overall Rating: 4.2 / 5 (average from multiple review sources, as of 3 Sept 2026)
Based on a total of 28,634 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
3-5 days
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£93.99
Delivery from £2.99

Casio G-Shock Classic Dual Display Black Plastic Strap Watch GA-100-1A4ER

Overall Rating: 4.6 / 5 (average from multiple review sources, as of 3 Sept 2026)
Based on a total of 7,927 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
1-3 working days
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£95.95
Free Delivery

Casio G-Shock Classic Dual Display Black Plastic Strap Watch GA-100-1A4ER

Overall Rating: 4.6 / 5 (average from multiple review sources, as of 2 Sept 2026)
Based on a total of 43,152 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
1-3 working days
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£95.95
Free Delivery

Casio Watch GA-100-1A4ER Mens G Shock World Time Ana-Digital RRP £110.00

Overall Rating: 1.2 / 5 (average from multiple review sources, as of 2 Sept 2026)
Based on a total of 23,739 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 3 - 5 working days of receiving cleared payment.
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£99.00
Free Delivery

Casio G-Shock Chronograph Alarm Black Red GA-100-1A4ER Watch - 9% OFF

Overall Rating: 1.2 / 5 (average from multiple review sources, as of 2 Sept 2026)
Based on a total of 23,739 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 3 - 4 working days of receiving cleared payment.
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£100.00
Free Delivery

G-Shock Men's Watch Black Resin Strap GA-100-1A4ER

Overall Rating: 1.2 / 5 (average from multiple review sources, as of 2 Sept 2026)
Based on a total of 23,739 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 10 - 18 working days of receiving cleared payment.
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£101.33
Delivery from £24.60
G-Shock GA-100-1A4ER Multifunction Watch

Cheapest offer

Featuring 35mm dials and large cases, G-SHOCK watches lend a sense of power and strength.Dial rings and raised hour markers create a 3D visual, complemented by a black finish and red accents.Made to resist shocks and water up to 200m, the GA-100-1A4ER comes with a black resin strap.Anti-slip technology is added to the over-sized buttons for fast and assured use.In addition to its 1/1000-second stopwatch, velocity indicator, World Time, and 5 alarms, this model offers unparalleled function and performance. We are a Casio UK authorised dealer New boxed stock with full retail boxes & paperwork WATER RESISTANT 200 Metres Water Resistant ACCURACY +/- 15 seconds per month ALARM FUNCTION 5 Daily Alarms: Each will sound every day at the time you set, Hourly time signal: The watch beeps every hour on the hour, Snooze function AUTO CALENDAR Once set, the automatic calendar always displays the correct date AVERAGE SPEED DISPLAY A dial on the watch face displays your average speed travelled over a
£77.00
1-3 working days
Hsjohnson.com

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Product information

At a glance

  • Offers global timekeeping, perfect for international journeys.
  • Features stopwatch, countdown timers, and automatic calendar.
  • 200m water-resistant, shock-proof design with LED backlight.

Note: This text was created with the help of AI.

Finding the Perfect Companion for Timekeeping and More

For those who love to be in control of their time and want a durable yet stylish way to do this, look no further than the watch that has it all - the Casio G-Shock GA-100-1A4ER. Whether you're a busy professional always on the go or a thrill-seeker with an adventurous spirit, this watch is perfectly designed to meet your needs.

Unbeatable Functionality That Excites

The Casio G-Shock GA-100-1A4ER isn't just a timekeeper, it's an all-in-one package of functionality. Some of its key features include:

  • World time function, making it your reliable partner for international travel.
  • A built-in stopwatch and countdown timers that allow you to track your progress in fitness or any timed event.
  • An automatic calendar that keeps you in check with your schedule and dates.
With water resistance up to 200 meters, you don't have to worry about taking it off when you go for a swim or get caught in the rain.

A Design That Speaks Volumes

Encased in a shock-resistant resin case, the Casio G-Shock GA-100-1A4ER has been engineered to withstand rough handling while keeping its elegant look. The black colour with red accents gives this watch a robust yet suave appeal. The LED backlight makes it easy to read the time, even in the dark. Its band is designed for comfort and durability, ensuring that the watch stays secure on your wrist no matter how extreme your activities are.

Make the Smart Choice Today

Choosing the Casio G-Shock GA-100-1A4ER is a clear step towards convenience, functionality, and style. Its impressive features, coupled with the sleek design, make this watch a must-have accessory for everyone. With this watch, you're not just keeping track of time; you're making the most out of it! So why wait? Experience the amazing benefits of the Casio G-Shock GA-100-1A4ER today.

Note: This text was created with the help of AI.

Pros and cons

Pros

  • Perfect for international travel
  • Built-in stopwatch and calendar
  • Water resistant up to 200m
  • Shock-resistant and stylish design

Cons

  • May be too feature-rich for basic timekeeping
  • Design might not suit all tastes

Note: This text was created with the help of AI.

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4 Variants from £73.00

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User reviews

Our reviews come from Trustami, a service that automatically collects, links, and verifies reviews from various sources such as Google, eBay, Amazon, and Trusted Shops. This gives users a transparent overview of a manufacturer's customer satisfaction.

4.5 out of 5 stars

227 Ratings
5 stars
171
4 stars
24
3 stars
17
2 stars
8
1 star
7
Amazon.it Kunde

Watch is fine, package delivered correctly, but the packaging left much to be desired. The watch is very nice, just as in the photo, but it wasn't protected at all and the box arrived even open. Fortunately it didn't break and nothing seems missing inside, but it's really not very nice to present li…

via trustami

Amazon.it Kunde

I give 4 stars only because the blue looked much clearer in the photo; the watch is very nice, but I'm sorry only for this point.

via trustami

Ebay.de Kunde

Good quality watch

via trustami

Amazon.es Kunde

One of the few analog watches where the displays are easy to read because they are large and positive. Unfortunately, in total darkness the backlight only illuminates the hour markers: the hands are not visible and the displays are shaded. If that isn't a problem, it's a good, pretty and cheap watch…

via trustami

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