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Casio

G-Shock Casio G-Steel Solar Connected Black Dial Black Resin Strap Watch - GBM2100-1A

  • Based on 135 reviews
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Availability: Only 6 left in stock, order soon!
Fulfilled by Amazon
Arrives Tuesday, Aug 18
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Description

An evolution of the iconic 2100 series the GBM2100-1A combines a sleek octagonal form with premium materials and advanced functionality.This watch features a stainless steel bezel and a glass fiber-reinforced resin case providing a blend of sophisticated style and G-SHOCKs legendary toughness.The all-black design with a brushed hairline finish on the top surface and a mirror polish on the sides of the bezel gives it a refined and modern appeal.This model is equipped with a Tough Solar charging system allowing it to be powered by any light source and Mobile Link via Bluetooth for seamless smartphone connectivity.These features provide automatic time adjustment and easy watch settings ensuring a hassle-free and accurate timekeeping experience.Shock Resistant.Tough Solar Power (solar-powered).200M Water Resistant.Mobile Link (Wireless linking using Bluetooth).World Time (38 time zones 38 cities UTC).1/100-second stopwatch.5 daily alarms.Double LED Light (Super Illuminator).Case size- 49.8 x 44.4 mm.

Product Dimensions ‏ : ‎ 4.41 x 4.33 x 3.82 inches; 8.48 ounces


Item model number ‏ : ‎ GBM2100-1A


Department ‏ : ‎ mens


Batteries ‏ : ‎ 1 Nonstandard Battery batteries required.


Date First Available ‏ : ‎ May 23, 2024


Manufacturer ‏ : ‎ Casio


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


Best Sellers Rank: #130,145 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #347 in Men's Wrist Watches


#347 in Men's Wrist Watches:


Display: Digital


Watch Movement Type: Japanese Quartz


Additional Features: Alarm, Light Up, Shock Resistant, Timer


Power Source: Solar Powered


Strap Type: Two Piece Strap


Water Resistance Depth: 200 meters


Sport Type: Walking


Clasp Type: Buckle


Water Resistance Level: Water Resistant


Embellishment Feature: Crystal


Closure Type: Buckle


Style Name: Sport


Shape: Round


Band Color: Black


Dial Color: Black


Theme: Tough


Face Style: Classic


Bezel Color: Black


Character: Fashion


Brand Name: Casio


Model Name: GMB2100


Included Components: 1 x G-Shock Watch


Model Number: GBM2100-1A


Series Number: 2100


Item Weight: 8.48 ounces


Unit Count: 1 Count


Manufacturer: Casio


UPC: 889232377797


Age Range Description: Adult


Item Type Name: Sport Watch


Manufacturer Part Number: GBM2100-1A


Band Material Type: Resin


Case Material Type: Resin


Crystal: Mineral Glass


Case Diameter: 49 millimeters


Band Width: 24 millimeters


Case Thickness: 12 millimeters


Bands: 1


Warranty Type: Limited


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Aug 18

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.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Watch so nice, makes me want another one…
Review Image by Sophia Nicks
This watch has been on my list to buy for months. I finally caught it at a price that I may never see again at $214. I am so happy I bought it. Comfortable, attractive on the wrist. Versatile in terms of wearing it with any outfit. Be it casual, dressy, and sporty! Easy to navigate either manually or through Bluetooth. Definitely good quality. This watch has a sexy look about it. For sure one of my favorite style watches. ... show more
Reviewed in the United States on July 13, 2026 by Sophia Nicks
    • No wonder it's a favorite for so many watch enthusiasts
This watch punches well above its weight. It looks great on the wrist without being flashy, it wears well for its size, and offers the durability of a G-Shock despite its appearance as a dress watch. The digital display window is a tad small but overall, this is a great watch for a extremely reasonable amount of money. ... show more
Reviewed in the United States on February 23, 2026 by R. Ploum
    • Great watch but still testing it.
Ordered the G-Shock GBM2100-1A. I got exactly what I ordered. My only problem so far is that I can't get the watch charged to one hundred precent. I will continue trying but the Battery might be working one hundred percent
Reviewed in the United States on July 7, 2026 by rosario richardson
    • Great watch
my favorite daily driver. love that it shuts down in the drawer and when it hit light it resets the time. very comfortable band and the bluetooth connect to keep time is a great feature.
Reviewed in the United States on June 4, 2026 by Robert Kleinot
    • Look better in person
Review Image by Sameh
It’s even better in person. And so comfortable The strap is buttery smooth and luxurious You can tell it’s durable ( I work in construction) Worth every penny The display and the light appears nicely
Reviewed in the United States on March 31, 2026 by Sameh
    • Stylish and light
Review Image by Dave Robles
Great watch, stylish, light, easy to read, and did i mention stylish!
Reviewed in the United States on March 8, 2026 by Dave Robles
    • Great watch!
This was a Christmas present for my husband. He loves it! He is just starting a watch collection and this is the first one. Casio is such a reputable and trusted brand. He has already received several compliments on it because it looks so nice.
Reviewed in the United States on January 15, 2026 by Kami Wright
    • Reeeeeally nice.
This my third G Shock and my favorite so far. It looks great and isn’t too big for my comparatively small wrist. The convenience of the Bluetooth connection cannot be overstated. Once paired to my phone, a simple push of a button syncs time and date and allows access to all functions. No more cycling through modes and pushing every button ten times in the correct order while standing on your head. I’m old. This pleases me. As does the solar charging. Solid feel but not clunky, sporty but classy, I dig it. ... show more
Reviewed in the United States on March 24, 2025 by Andrew S Juhasz

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