G-Shock GA2100-1A 'CasiOak'

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Description
Step into the realm of iconic timekeeping with the G-Shock GA2100-1A Black 'CasiOak' Watch, a bold fusion of style and resilience. Crafted with a Carbon/Resin case and bezel, this timepiece stands out with its sleek 48.5 × 45.4 × 11.8mm dimensions and feather-light 51g weight. Engineered to endure, it features a Carbon Core Guard Structure and 200 meters water resistance, ensuring reliability in the toughest conditions. With a battery life of approximately 3 years, it's ready for the long haul. Beyond its durability, the 'CasiOak' is packed with functionality, from world time and stopwatch to alarms and timers. The double LED light system illuminates both analogue and digital displays, while the full auto-calendar keeps you on schedule well into the future. With its precise timekeeping and thoughtful features, the 'CasiOak' redefines what it means to be a modern classic.

- 48.5 × 45.4 × 11.8mm Case Size
- 51g Weight
- Carbon/Resin Case and Bezel 
- Resin Band
- Shock Resistant
- Carbon Core Guard Structure
- 200 Meters Water Resistant
- Approx. battery life: 3 years on SR726W X 2
- Mineral Glass
- World Time: 31 time zones (48 cities + coordinated universal time), daylight saving on/off
- Stopwatch
- Timer
- Alarm/hourly time signal: 5 daily alarms
- Double LED light
*LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
*LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
- Calendar: Full auto-calendar (to year 2099)
- Button operation tone on/off
- Accuracy: ±15 seconds per month
- 12/24-hour format
- Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
- Regular timekeeping:
*Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day)
*Digital: Hour, minute, second, pm, month, date
Specifications
  • Gender: Mens
  • Glass type: Mineral Crystal
  • Model Number: GA2100-1A
  • Style: Duo Display
  • Warranty code: 2 Year Warranty
  • Watch case colour: Black
  • Watch case diameter: 48.5x45.4mm
  • Watch case shape: Octagon
  • Watch case thickness: 11.8mm
  • Watch dial colour: Black
  • Watch movement: Quartz
  • Watch strap colour: Black
  • Watch strap material: Resin
  • Watch type: Alarm, Analogue, Digital
  • Water resistant: 200 Metres
Shipping & Returns

Online orders are dispatched with Australia Post from our Adelaide warehouse.

Standard Postage
FREE for orders over $69
$9.95 for orders under $69

Express Postage
$3.95 for orders over $69
$13.95 for orders under $69

Shipping FAQ ›

RETURNS

Online orders can be returned within 30 days of delivery if eligible. This excludes earrings, body jewellery, personalised products and items that have been worn, scratched, damaged, made to order or altered in any way (including resize).

Returns & Exchanges FAQ ›

  • 5 stars: 3 (75%)
  • 4 stars: 1 (25%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
L
Loz
Quality: 5/5
Price: 5/5
Value: 5/5
Would you recommend this product to others?: Yes
very clear to see time

Hands are very clear to see time. Dark watch doesn't show dirt

L
Lucky
Quality: 5/5
Price: 5/5
Value: 5/5
Would you recommend this product to others?: Yes
Casioak - A Tale of Two Experiences

Seeing many rave reviews since launch, I decided to purchase it and found Shiels' offering the best deal online. Went to a Shiels outlet to try for size and was impressed by the experience although the shop was not carrying the exact model I wanted, I bought it online with free shipping which was very memorable.

A
Aircooled
Quality: 5/5
Price: 5/5
Value: 5/5
Would you recommend this product to others?: Yes
Fantastic value

Nicknamed the Casioak, this G-shock is one of the newer Carbon Core Guard models. The carbon core guard structure protects the module by enclosing it in a carbon case made of fine resin embedded with carbon fibers for added strength, crack resistance, and durability.

The analogue style dial with white hands and markers is very legible. The other big benefit is the relatively slim proportions.

D
Danny
Quality: 4/5
Price: 4/5
Value: 4/5
Would you recommend this product to others?: Yes
The casioak

Excellent build quality and presentation for the price. Resin bezel and band are of a high standard and the slimline design compared to other g-shock models really sets this model apart from the rest.
Highly recommend for watch enthusiasts.

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At Shiels, the jewellery shopping experience is easy, convenient and rewarding. If you prefer an in-store visit, you can go to any of our welcoming locations across South Australia, New South Wales, Queensland and Western Australia. For online shoppers, it's easy to go through our full range when you browse by category, gemstone, metal or recipient. To take advantage of our Click & Collect option, choose Pickup in the Delivery section and select your preferred store at checkout. We'll then send you an email once your order is ready for collection. We've also put together helpful resources such as our Diamond Carat Guide and Ring Size Chart, along with Watch Guides, Jewellery Care and Gift Guides. Enjoy a smooth and fast online checkout with multiple payment options, including PayPal, credit cards, debit cards, and flexible Sparkle Now, Pay Later choices through humm, Afterpay and Zip. You may even take advantage of free shipping on eligible orders. In case you're not satisfied with your online jewellery purchase, return it within 30 days of the original purchase date for a full refund, subject to terms and conditions. Whether you want to browse "Earrings," "Bracelets" or "Pendants," you can count on us for top-quality pieces at great prices, so shop now.