Casio GA-2100-1A3ER G-Shock Men's 45mm 20ATM
G-Shock GA-2100-1A3ER Utility Black Series Watch
Overall Rating: 4.9 / 5 (average from multiple review sources, as of 20 Oct 2026)
Based on a total of 6,004 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.
Based on a total of 6,004 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.
Cheapest Total Price
1-3 working days
PayPal
PayPal
Mastercard
Mastercard
Visa
Visa
£75.00
Free Delivery
Casio RELOJ Analog Digital G-Shock Trend GA-2100-1A3ER 49mm Black
Overall Rating: 4.2 / 5 (average from multiple review sources, as of 18 Oct 2026)
Based on a total of 26,737 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.
Based on a total of 26,737 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.
Cheapest Total Price
In stock
Direct debit
Direct debit
Mastercard
Mastercard
Visa
Visa
£75.00
Free Delivery
G-Shock GA-2100-1A3ER Utility Black Series Watch
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 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.
Based on a total of 24,155 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.
Cheapest Total Price
Will usually delivered within 2 - 3 working days of receiving cleared payment.
Other
Other
PayPal
PayPal
Wallet
Wallet
Mastercard
Mastercard
Visa
Visa
Apple Pay
Apple Pay
Diners Club
Diners Club
£75.00
Free Delivery
Casio - Utility Black GA-2100-1A3ER, G-Shock RESIN BLACK digital quartz Watch
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 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.
Based on a total of 24,155 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 2 - 8 working days of receiving cleared payment.
Other
Other
PayPal
PayPal
Wallet
Wallet
Mastercard
Mastercard
Visa
Visa
Apple Pay
Apple Pay
Diners Club
Diners Club
£83.00
Free Delivery
Casio G-Shock 2100 Utility Black Series Watch GA-2100-1A3ER
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 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.
Based on a total of 24,155 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.
Other
Other
PayPal
PayPal
Wallet
Wallet
Mastercard
Mastercard
Visa
Visa
Apple Pay
Apple Pay
Diners Club
Diners Club
£84.99
Free Delivery
Casio Mens G-Shock Watch RRP £99.9. New and Boxed. 2 Year Warranty.
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 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.
Based on a total of 24,155 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 2 - 3 working days of receiving cleared payment.
Other
Other
PayPal
PayPal
Wallet
Wallet
Mastercard
Mastercard
Visa
Visa
Apple Pay
Apple Pay
Diners Club
Diners Club
£85.99
Free Delivery
Casio G-shock Mens Black Watch GA-2100-1A3ER - One Size
Overall Rating: 4.1 / 5 (average from multiple review sources, as of 18 Oct 2026)
Based on a total of 29,641 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.
Based on a total of 29,641 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
PayPal
PayPal
Mastercard
Mastercard
Visa
Visa
£85.99
Delivery from £2.99
Casio Mens G-Shock 2100 Utility Black Series Watch GA-2100-1A3ER
Overall Rating: 4.6 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 43,321 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.
Based on a total of 43,321 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
PayPal
PayPal
Mastercard
Mastercard
Visa
Visa
£91.95
Free Delivery
Casio Mens G-Shock 2100 Utility Black Series Watch GA-2100-1A3ER
Overall Rating: 4.6 / 5 (average from multiple review sources, as of 18 Oct 2026)
Based on a total of 7,880 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.
Based on a total of 7,880 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
PayPal
PayPal
Mastercard
Mastercard
Visa
Visa
£91.95
Free Delivery
- 1
- 2
- next page
Cheapest offer
The G-SHOCK GA-2100 Utility Black Series is an evolution of the classic GA-2100-1A1 design, with vibrant fluorescent highlights. The exterior of the GA-2100-1A3ER model features neon green accents on the hands, hour marker tips, day indicator, and dial labels. This slim, lightweight GD-2100 model is built with Carbon Core Guard technology and boasts an interior made of carbon fibre-reinforced resin. Additionally, the watch includes world time, stopwatch, countdown timer, 5 alarms, and double LED light with LCD backlight. 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 AUTO CALENDAR - Once set, the automatic calendar always displays the correct date BAND MATERIAL - Resin BATTERY LIFE - Approximately 3 years CORE GUARD STRUCTURE - New Carbon Core Guard Structure COUNTDOWN TIMER FUNCTION - Mea
£75.00
1-3 working days
Hsjohnson.com
🤖 Ask ChatGPT
💡 Is it worth the price?
🔁 Better alternatives?
⭐ What do users say?
G-Shock GA-2100-1A3ER Utility Black Series Watch - Details
▶ Finding you the best price!
We have found 9 prices for G-Shock GA-2100-1A3ER Utility Black Series Watch. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
G-Shock GA-2100-1A3ER Utility Black Series Watch - Price Information
- Cheapest price: £75.00
- The cheapest price is offered by Hsjohnson.com. You can order the product there.
- The price range for G-Shock GA-2100-1A3ER Utility Black Series Watch is £75.00 to £103.99, with a total of 9 offers.
- Payment methods: The online shop Hsjohnson.com supports: PayPal, Mastercard, Visa
- Delivery: The shortest delivery time is 1-3 working days working days offered by Hsjohnson.com.
21 Variants from £71.83
Casio G-Shock Classic GA-2100GB-1AER Mens Wristwatch 200m Water-Resistant
£96.60
Amazon-marketplace.co.uk
Delivery from £4.49
Casio Gents Metallic Dial Series Sky Blue G-Shock Watch GA-2100BM-7A2ER
£99.90
ebay.co.uk
Free Delivery
Casio Men's Quartz Analogue Digital Watch with Resin Strap
£95.82
Amazon-marketplace.co.uk
Delivery from £4.49
Casio Rust Color Men's Watch, Analogue and Digital, Multifunction, Neobrite hands, 20 ATM - CA.GA-2100RC-1AER
£102.99
Amazon-marketplace.co.uk
Free Delivery
Casio G-Shock Men's GA-2100 2100 Series Wristwatch
£71.83
Amazon-marketplace.co.uk
Delivery from £4.49
Casio Gents Metallic Dial Series Rose Gold G-Shock Watch GA-2100BM-7A5ER
£76.99
Amazon-marketplace.co.uk
Delivery from £4.49
Casio - GA-2100-1A1ER GA-2100-1A1ER, G-Shock RESIN BLACK digital quartz Watch
£83.00
ebay.co.uk
Free Delivery
Casio G-Shock GA-2100BCE-1AER Analog-Digital Quartz Watch with World Time, Countdown Alarm, Black Resin Case with Fabric Strap, 200 Metre Water Resistance, Unisex
£84.79
Amazon-marketplace.co.uk
Delivery from £4.49
Similar products
G-Shock Men's Casioak Black Resin Bluetooth Solar Watch GA-B2100- Black
£103.20
amazon.co.uk
Free Delivery
Casio G-Shock Caution Yellow Smart Watch GA-B2100CY-1AER
£109.00
Amazon-marketplace.co.uk
Free Delivery
Don't forget your voucher code:
Report illegal content
You are about to report a violation based on the EU Digital Services Act (DSA).