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Casio

Casio ga-2100-1a2er Watch

  • Based on 939 reviews
Condition: New
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Availability: Only 8 left in stock, order soon!
Fulfilled by Fashionstar Usa
Arrives Jun 2 – Jun 6
Order within 11 hours and 54 minutes
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Description

Casio Sports Watch GA-2100-1A2ER

Is Discontinued By Manufacturer ‏ : ‎ No


Item model number ‏ : ‎ GA-2100-1A2ER


Department ‏ : ‎ mens


Batteries ‏ : ‎ 1 Lithium Metal batteries required. (included)


Date First Available ‏ : ‎ April 28, 2022


Manufacturer ‏ : ‎ Casio


Best Sellers Rank: #454,185 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #2,028 in Men's Wrist Watches


#2,028 in Men's Wrist Watches:


Customer Reviews: 4.4 4.4 out of 5 stars (1,118)


Display: Analog


Watch Movement Type: Quartz


Additional Features: Alarm, Chronograph, Countdown, Glow In The Dark, Lighting in the dark, World Hours, World Time


Power Source: Battery Powered


Strap Type: Two-piece strap


Water Resistance Depth: 200 Meters


Sport Type: Walking


Clasp Type: Buckle


Water Resistance Level: Waterproof


Embellishment Feature: Crystal


Closure Type: Buckle


Style Name: GA-2100-1A2ER


Shape: Round


Band Color: Blue


Dial Color: Black


Theme: Fashion


Pattern: Solid


Face Style: Minimalist


Character: Fashion


Brand Name: Casio


Model Name: G-Shock


Included Components: 1 x product


Model Number: GA-2100-1A2ER


Series Number: 2100


Item Weight: 51 Grams


Manufacturer: Casio


Manufacturer Part Number: GA-2100-1A2ER


Unit Count: 1.00 Count


Age Range Description: Adult


Item Type Name: Sport Watch


Band Material Type: Plastic


Case Material Type: Resin


Crystal: Mineral


Case Diameter: 45 Millimeters


Band Width: 25 Millimeters


Case Thickness: 11 Millimeters


Band Length: 22 Centimeters


Warranty Type: Limited


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Jun 2 – Jun 6

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
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • 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

    • Bulletproof
This is my daily driver watch that goes with everything. It has been used and abused and still looks incredible.
Reviewed in the United States on March 28, 2026 by Flindaddy
    • Love The Options
Review Image by Jeff
Pros: Fits my 7-1/4" (7.25" / 184mm circumference) wrist quite comfortably with plenty of adjustment. I like the octagonal bezel with many different options of color and and dial. I enjoy the various modes it offers. It's nice being able to see UTC time and have timers as well as alarms. Since it's quartz/battery driven, I like not having to wind it or often adjusting the time compared to mechanical watches. Cons: I wish the hour and minute hand had a brighter luminescence but the on board light helps in the dark. It's also difficult to read the screen from 17min to 25min. Even worse from 3:17 to 3:25 when both the hour and minute hand are blocking the LCD screen. Overall: I love the watch. It has its minor issues but it wouldn't deter me. ... show more
Reviewed in the United States on September 19, 2023 by Jeff
    • Stylish
Got this for my son for getting good grades he love it
Reviewed in the United States on March 9, 2026 by Shannelle green
    • G shock
Watch arrived on time and in good condition. Other reviews were correct about it being a little hard to set up but reviewing a u tube video and it made it a lot easier. Nice looking timepiece. The LCD is a little hard to see but how many times a day are you gonna look at the date? Overall I'd give the watch 4.5 out 5. ... show more
Reviewed in the United States on May 3, 2025 by Bruce F
    • Cool looking watch in the picture... not as cool in person.
First off, I freaking LOVE G-SHOCK watches, however, as nice as this watch looks, it's way too small for men, unless you like tiny watches, then this is the watch for you. I broke my last G-SHOCK on the ship thanks to all the radiation on the flight deck so I thought it would be a great opportunity to get a new one, when this thing arrived and I put it on, I tried to convince myself that this watch was perfect... then after 2 days of wearing the dang thing, I just couldn't get over how pathetically tiny it was so I basically threw it in a drawer until I find someone to give it to. No worries, I'll buy another G-Shock but I just personally wouldn't buy this if you expect the larger GSHOCK watch... trust me... I thought it was for women and that somehow I accidentally ordered the wrong one but nope... ... show more
Reviewed in the United States on August 19, 2024 by Christopher Mondry
    • Nice Watch
I giving 5 stars because I really like the looks and functionality of the watch. The hour/minute hands glow enough for me to tell the time in the dark. The only thing that needs help is a better light for setting alarms in the dark. If you are an Outdoors person (like me), I suggest using a Mini flashlight and strong teeth when trying to set alarms at night :-) Oh, I also am pleased with this watch band. This one is much softer than most of the rubber/synthetic bands that come with these watches. The first thing I usually do with a new watch is to find a much more comfortable band to fit. Not too easy with Casio G-Shock watches. ... show more
Reviewed in the United States on August 3, 2025 by Normie G
    • FACE VERY HARD TO READ !
The watch is of course very accurate...that's a plus...but the black dial and blue markers are VERY hard to read, especially in low light. Even in bright light, including sunlight, you will need to have the watch at just the right angle to be able to read the digital "window". And even then, it's hard to see. I kept the watch, but really should have returned it. I purchased another version with a lighter dial that was easier to read. So this one stays in the drawer getting little or no time on my wrist. Bottomline...it looks good in the photos, but trust me, it's hard to read the dial! ... show more
Reviewed in the United States on November 20, 2025 by C. Robinson
    • Economia y calidad
bonito barato muy buen equipo
Reviewed in the United States on April 7, 2026 by Oscar

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