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G-Shock

G-Shock GA-2100 Series Watch

  • Based on 2,100 reviews
Condition: New
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Availability: Only 1 left in stock, order soon!
Fulfilled by Amazon
Arrives Friday, Jun 5
Order within 7 hours and 11 minutes
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Description

This G-ShockI watch features a round stainless steel case with a resin and carbon fiber overlay, adjustable resin band, traditional buckle closure, and red dial face. Shock resistant. Analog and digital time keeping. Dial face features stick index hour markers, digital display, sub-dial, minute track at perimeter, and brand name. Carbon Core Guard structure. A new carbon core guard structure protects the module by enclosing it in a carbon case. The case is made of fine resin embedded with carbon fibers for outstanding strength and crack resistance. Mineral crystal window. Water resistant up to 20 ATM/200 meters. Presentation box included. Imported.

Product Dimensions ‏ : ‎ 5 x 5 x 5 inches; 4 ounces


Item model number ‏ : ‎ GA2100-1A1


Department ‏ : ‎ womens


Batteries ‏ : ‎ 1 Lithium Metal batteries required.


Date First Available ‏ : ‎ August 19, 2019


Manufacturer ‏ : ‎ G-Shock


Product Warranty: For warranty information about this product, please click here


Best Sellers Rank: #37,189 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #50 in Women's Wrist Watches


#50 in Women's Wrist Watches:


Display: Analog-Digital


Watch Movement Type: Quartz


Additional Features: Alarm


Power Source: Battery Powered


Strap Type: Two Piece Strap


Water Resistance Depth: 200 Meters


Sport Type: Walking


Clasp Type: Tang


Water Resistance Level: Water Resistant


Embellishment Feature: Crystal


Closure Type: Buckle


Style Name: Military


Shape: Round


Band Color: Black


Dial Color: Black


Theme: Sports


Pattern: Solid


Face Style: Hybrid


Brand Name: G-Shock


Model Name: GA2100-1A1


Model Number: GA2100-1A1


Series Number: 2100


Item Weight: 4 Ounces


Global Trade Identification Number: 30


Manufacturer: G-Shock


UPC: 889232241630


Manufacturer Part Number: GA-2100-1A1CR


Unit Count: 1 Count


Age Range Description: Adult


Band Material Type: Resin


Case Material Type: Resin Mixed With Carbon Fiber


Crystal: Scratch Resistant Mineral


Case Diameter: 45.4 Millimeters


Band Width: 22 Millimeters


Case Thickness: 11.8 Millimeters


Bands: 1


Warranty Type: Manufacturer


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Jun 5

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Great Watch
Model: GA2100-1A1
Love it great styling , good for casual bouts
Reviewed in the United States on April 25, 2026 by joan Miguel rodriguez
    • Amazing watch!
Model: GA2100-1A1
Not too big, perfect for my wrist.
Reviewed in the United States on April 15, 2026 by Diego Cascante
    • Nice look
Model: GA2100-1A1
Review Image by Kindle Customer
Very high quality and best fits my wrist.
Reviewed in the United States on March 8, 2026 by Kindle Customer
    • Great
Model: GA2100-1A1
The Casio G-Shock delivers exactly what the name promises: exceptional durability and reliable performance in a rugged package that stands up to daily wear, outdoor activities, and rough handling without complaint. Its shock-resistant case and resin band feel solid and resilient rather than cheap, the digital (or analog-digital) display is easy to read in a variety of light conditions, and standard features like stopwatch, countdown timer, world time, and strong battery life work consistently without fuss. If you want a watch that you can wear hard and forget about in terms of fragility, the G-Shock line offers outstanding value and dependable functionality that justify its reputation, making it a strong choice for everyday use, travel, and active lifestyles. ... show more
Reviewed in the United States on February 27, 2026 by Aaron Taylor
    • Exactly What I Was Looking For
Model: GA2100-1A1
Review Image by Ross B.
Review Image by Ross B.
Review Image by Ross B.
I have to admit, I don’t know what I expected when the box came, but what a pleasant surprise. I was looking for a watch I could take kayaking and on nature hikes, but I didn’t want to spend more than $100 on it. It needed to have a rubber or synthetic band that handled water well and was easily able to try with a towel. The watch needed to be waterproof but also not complicated. The G-Shock series is typically a very busy watch face, and the cases are usually so large (49mm and above). I wanted something that was smaller for my medium-sized wrist. I wanted a simplified G-Shock, but different, and not obnoxious. I found it with this model. Overall, it’s a nice watch. It shows very well. I like the world time setting and just love watching the hands spin around when I select the city. It fits my wrist and isn’t too big or heavy. I think it is very clean looking and I didn’t expect to say “wow” out of the box. But the design harkens back to the Audemars Piguet Royal Oak design, which is a dream look for most. This is why the watch is referred to as a “CasiOak”. I didn’t want a ton of little things to look at on the watch face so to me, looking down and checking the time is a real pleasure. There’s a day of the week and a time. Perfect. The light works well in the dark. The watch is made to be an activewear style watch so the material of the watch suits it’s ability to compete with products of the environment (water and dirt). So when I see these other comments that say things like "well the material feels cheap" or "the band is not what I thought", I don't know what other material they expected the watch to be made of. Overall, good watch and I'm not sure where the left of field reviews are coming from. I am pleased and would recommend this watch. ... show more
Reviewed in the United States on December 29, 2021 by Ross B.
    • Good
Model: GA2100-1A1
The size is perfect and seems very durable. It's difficult to read the time due to color. One of the other models with some contrast to the hands and numbers would have been a better choice. Still a great watch though.
Reviewed in the United States on January 6, 2026 by Sold
    • Perfect gift watch
Model: GA2100-1A1
Package well. It arrived on time before Christmas. A perfect gift for my son. The style is simple and the Brightness great the value for the watch is within range and ease of use is great it is digital and the functionality is perfect fit.
Reviewed in the United States on December 23, 2025 by REYNA BRAGG
    • A perfect nod to classy designs with the “Casioak”
Model: GA2100-1A1
Review Image by Sammy sam
Review Image by Sammy sam
I’ll be honest I never liked a g shock watch because they were too bulky and “sporty” looking or in my opinion made you look immature or still in high school. (Again just my opinion) However, I needed something more durable for work and I want the analog hands for telling the time the way it should but it’s also helpful to glance at a digital display from time to time. This watch checked every one of my boxes on top of it being much slimmer and much more classy looking while still being comfortable and not flashy for day to day wear! I did replace the strap soon after as the stock strap was very grabby at my arm hair. Hands down my favorite edc watch in the rotation right now! ... show more
Reviewed in the United States on August 26, 2025 by Sammy sam

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