Casio G-Shock Mens 45mm Ana-Digi Black Watch
Casio G-Shock Mens 45mm Ana-Digi Black Watch
Casio G-Shock Mens 45mm Ana-Digi Black Watch
Casio G-Shock Mens 45mm Ana-Digi Black Watch
Casio G-Shock Mens 45mm Ana-Digi Black Watch
Casio G-Shock Mens 45mm Ana-Digi Black Watch
Casio G-Shock Mens 45mm Ana-Digi Black Watch
Casio G-Shock Mens 45mm Ana-Digi Black Watch
Casio G-Shock Mens 45mm Ana-Digi Black Watch
Casio G-Shock Mens 45mm Ana-Digi Black Watch
Casio G-Shock Mens 45mm Ana-Digi Black Watch
Casio G-Shock Mens 45mm Ana-Digi Black Watch
Casio G-Shock Mens 45mm Ana-Digi Black Watch
Casio G-Shock Mens 45mm Ana-Digi Black Watch
GA-2100K-1AER
RRP £109.00
Low stock
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Official UK Jewellers - Family-Owned since 1990

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Details
The Casio GA-2100K-1AER is a sleek and stylish addition to the legendary G-SHOCK family, perfect for UK watch enthusiasts who value rugged reliability with contemporary appeal. Featuring the iconic octagonal bezel in a stealthy all-black finish, this model carries a bold yet understated look that pairs effortlessly with everyday outfits — from urban commutes to weekend hikes. Its slim, lightweight profile makes the GA-2100K-1AER a comfortable and confident choice for daily wear without compromising on toughness.
 
Under the hood, the GA-2100K-1AER is built to withstand life’s knocks and splashes. It offers 200-metre water resistance and Casio’s signature shock resistant construction, meaning it’s up for anything from rainy city rides to spontaneous outdoor adventures. The dependable quartz movement powers both analogue hands and a digital display, giving you access to handy functions like world time, 1/100-second stopwatch, countdown timer, multiple daily alarms, and a full auto calendar. A bright LED backlight ensures readability in all lighting conditions — perfect for early mornings and late nights alike.
 
What really sets the GA-2100K-1AER apart in the UK market is its balance of rugged tech and everyday style. That stealthy black design gives it a subtle edge, making it a favourite among students, creatives and trend-aware professionals alike. If you’re after a G-SHOCK that delivers dependable performance and distinctive style without shouting for attention, the GA-2100K-1AER effortlessly ticks all the boxes.
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 Black/Grey
Water Resistance: 200m (20ATM)
Gender: Gents
Stock No.: 8364296
EAN: 4549526416552
MPN: GA-2100K-1AER
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).

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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

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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.

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