-10% on non-sale items with the discount code BF10
CASIO WATCH G-SHOCK MEN’S BLACK 45MM
Original price was: $ 116.00.$ 99.00Current price is: $ 99.00. ($ 82.50 excl. EU VAT)
Casio G-Shock is a brand of sports watches known for its ruggedness, shock resistance, and reliability. Since its creation in 1983, Casio G-Shock has become an iconic brand for athletes, adventurers, and those seeking a durable watch that can withstand extreme activities.
In stock
⛟ At your place from November 25, 2025
⏱️ Delivery guaranteed before Christmas
🎄 Returnable after December 24th
| Weight | 41 g |
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| Dimensions | 46.2 × 42.9 × 11.2 mm |
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| Man / Woman | |
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Casio G-Shock Men’s Black GA-2100-1A2ER
A watch built to withstand time and the elements.
The Casio GA-2100-1A2ER embodies the spirit of the G-Shock collection with bold styling and unmatched durability. Designed for extreme conditions, it boasts 20-bar water resistance, making it perfectly suited for diving and intense outdoor activities. Its 45.4 mm octagonal case, both compact and robust, is made from carbon-reinforced resin — a material renowned for its lightness and exceptional strength.
Sleek, functional design
The black dial features a combined analog-digital display, with blue hands that add a touch of modernity and contrast. Protected by scratch-resistant mineral glass, the display maintains excellent legibility even on the move. With a thickness of just 11.8 mm, it offers a comfortable and discreet fit on the wrist without compromising durability.
Comfort, precision, and reliability
Powered by an accurate quartz movement, this watch delivers reliable performance for everyday wear. Its black resin strap, both supple and durable, fits the wrist perfectly thanks to a silver-tone buckle clasp. The strap width subtly tapers from 26 mm at the lugs to 19 mm at the buckle for optimal ergonomic comfort.
The Casio G-Shock GA-2100-1A2ER is more than just a watch — it’s a blend of cutting-edge technology and refined design, created for active, demanding men in search of both performance and style.
Frequently Asked Questions

When will I receive my order ?
Here are the average delivery times that we offer:
- After validation, your order is processed within 12 working hours
- Products in stock are shipped the same day before 5 p.m. during weekdays
- Products to be supplied are shipped within 2 to 5 days
The shipping time will then depend on the delivery method of your choice (Fedex, UPS, DHL etc.). You will receive email notifications to track the delivery of your package. For real-time tracking, check out our order tracking page.
Why should I trust Conteenium?
With more than 10 years of experience in online watchmaking and jewelry, Conteenium has built a solid reputation. Company registered since 2014, we have made excellence in customer service our priority with a team available by email, telephone, WhatsApp and Messenger.
Our transparency is praised by more than 1,500 customer reviews with an average rating of 4.6/5 on Trustpilot and Google Reviews. Trusting Conteenium is the assurance of a worry-free, quality purchase!
If I am not satisfied with my order, what happens?
Your satisfaction is our number #1 priority. This is why we offer you 30 days to return any item that does not suit you. The process is simple:
- Contact our customer service
- Return the item in its original packaging
- In the event of an exchange, you will receive a credit to order another product
- In the event of a refund, you will be credited within 24 hours of receipt
Is it true that Conteenium offers a 3 year warranty instead of 2?
Yes, that's correct! Since January 2024, we have extended the manufacturer's warranty from 2 to 3 years on all of our products. This decision demonstrates our confidence in the quality of the watches and jewelry that we select for you. It's also an additional guarantee of our long-term commitment to our customers.
Can we pay later or in installments?
For orders between $100 and $1,500, you can choose from several convenient payment plans:
- Split the total into 2, 3, or 4 equal installments
- Pay the full amount 15 days after the order date (D+15)
- Pay the full amount 30 days after the order date (D+30)
Select the option that best suits your preference and budget.
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