Casio G-Shock Transparent Strap 45mm Grey Watch
Casio G-Shock Transparent Strap 45mm Grey Watch
Casio G-Shock Transparent Strap 45mm Grey Watch
Casio G-Shock Transparent Strap 45mm Grey Watch
Casio G-Shock Transparent Strap 45mm Grey Watch
Casio G-Shock Transparent Strap 45mm Grey Watch
Casio G-Shock Transparent Strap 45mm Grey Watch
Casio G-Shock Transparent Strap 45mm Grey Watch
Casio G-Shock Transparent Strap 45mm Grey Watch
Casio G-Shock Transparent Strap 45mm Grey Watch
Casio G-Shock Transparent Strap 45mm Grey Watch
Casio G-Shock Transparent Strap 45mm Grey Watch
Casio G-Shock Transparent Strap 45mm Grey Watch
Casio G-Shock Transparent Strap 45mm Grey Watch
GA-2100K-2AER
RRP £109.00
In stock
American Express Apple Pay Google Pay Klarna Maestro Mastercard PayPal Shop Pay Visa

Official UK Jewellers - Family-Owned since 1990

Free UK Delivery - Orders over £75.00 - See options

30 Day Returns or Exchanges* - Learn more

Price Match - Found it Cheaper? Submit request

Rated 4.8/5 - 7000+ Verified customer reviews

Details
The Casio GA-2100K-2AER is a standout choice in the G-SHOCK family, mixing rugged performance with modern style that hits just right for UK watch lovers. With its slim, octagonal bezel and deep navy-blue colourway, this timepiece brings a fresh and confident look to any outfit — from city streets to countryside weekends. Lightweight but visibly tough, the GA-2100K-2AER is one of those watches you’ll reach for again and again, whether you’re heading to work or out for a spontaneous adventure.
 
Under the stylish exterior lies seriously dependable functionality. The Casio GA-2100K-2AER features 200-metre water resistance and industry-standard shock resistance, so it’s built to handle whatever your day throws at it. Powered by a reliable quartz movement with both analogue hands and a digital display, this G-SHOCK includes useful tools like world time, 1/100-second stopwatch, countdown timer, multiple daily alarms and a full auto-calendar. An LED backlight ensures easy viewing in low-light conditions, combining practical tech with rugged reliability.
 
What makes the GA-2100K-2AER truly special for the UK crowd is its versatility — it’s as at home navigating a Monday morning commute as it is exploring coastal paths at the weekend. The rich navy tone keeps things sleek and contemporary, while the robust build speaks to G-SHOCK’s legendary toughness. If you’re after a watch that delivers bold style, dependable performance and everyday functionality, the GA-2100K-2AER is poised to become a go-to favourite.
Specifications
Warranty: Official 2 Year Manufacturers
Special Features: 5 Daily Alarms, Countdown Timer, Shock Resistant, Stopwatch, World Time in 31 Zones (48 cities), Double LED Light, Mute Feature, Full Auto-calendar, Day and Date Display
Case Diameter: 45.4 mm
Case Thickness: 11.8 mm
Dial Colour: Black
Case Material: Cool Matte Transparent Resin
Glass Type: Mineral
Movement: Quartz
Strap Material: Rubber Resin
Strap Colour: Cool Matte Transparent Blue/Grey
Water Resistance: 200m (20ATM)
Gender: Gents
Stock No.: 8364297
EAN: 4549526416606
MPN: GA-2100K-2AER
Delivery

If you’re near one of our stores in Coventry or Loughborough, you’re very welcome to collect your online order in person. Simply give our customer service team a call on 0800 977 4391 and we’ll make sure everything is ready for you when you arrive.

If you’re not local, or just short on time, we offer a range of delivery options to suit you. We have partnered with DHL, DPD & Royal Mail, options include free UK delivery services on orders over £75.00, to express delivery options to most destinations worldwide. All delivery options (excluding 2nd class) are fully tracked and insured for your peace of mind.

Read our Delivery Information page (opens in new window) for a list of all delivery options.

Returns

We want you to be completely satisfied with your purchase. If for any reason you are not, you may return your order within the periods below for a full refund or exchange; T&C's apply.

Not Wanted, Wrong or Arrived Damaged
30 DAYS

Orders with Optional Insurance
14 DAYS

For full details please visit our Returns & Exchanges page (opens in new window).

Engraving

We offer professional engraving on a range of items with precision and care. Whether you’re personalising a gift or adding a special message, we can help bring your idea to life.

Please visit our Engraving page for full details (opens in new window).

Free UK Delivery - Orders over £75.00

Sales & Advice - Call our team on 0800 977 4391

Next day delivery options (Mon-Fri) - Order by 2pm

As an independent family owned Jewellers since 1990, we pride ourselves on offering great service with a personal touch.

As an independent family owned Jewellers since 1990, we pride ourselves on offering great service with a personal touch.

LEARN MORE
LEARN MORE
LEARN MORE
LEARN MORE

0% APR finance available* - T&C’s apply

Gift wrap service for that special someone

Price match available* - T&C’s apply