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G-Shock

G-Shock Casio G-Steel Watch GBM2100A

  • Based on 49 reviews
Condition: New
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Availability: Only 1 left in stock, order soon!
Fulfilled by Amazon
Arrives Sunday, Jun 21
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Color: Black


Description

Smart and stylish, sleek and sophisticated — a GBM2100 with bold metal bezel that delivers Smartphone Link and Tough Solar charging system, all in the same compact size. Key resin components used in the case and band are made with environmentally responsible bio-based resin. Choose your favorite color combination of vapor deposition finishes — the GBM2100A-2B with blue dial and silvery indexes, the GBM2100A-4B with burgundy dial and silvery indexes, or the GBM2100A-8B with light yellow gold-colored dial and black accented indexes. Tough construction and stylish design in a timepiece that takes you from casual settings to business meetings with ease.

Product Dimensions ‏ : ‎ 4.25 x 4.21 x 3.86 inches; 7.83 ounces


Item model number ‏ : ‎ GBM2100A-1A2


Department ‏ : ‎ Watches


Date First Available ‏ : ‎ May 24, 2024


Manufacturer ‏ : ‎ Casio


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


Best Sellers Rank: #184,757 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #538 in Men's Wrist Watches


#538 in Men's Wrist Watches:


Customer Reviews: 4.6 4.6 out of 5 stars (179)


Display: Analog-Digital


Watch Movement Type: Quartz


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


Power Source: Solar Powered


Strap Type: Two Piece Rubber


Water Resistance Depth: 200 Meters


Sport Type: Walking


Clasp Type: No Clasp Type


Water Resistance Level: Water Resistant


Embellishment Feature: Crystal


Closure Type: Buckle


Style Name: Watches


Shape: Octagonal


Band Color: Black


Dial Color: Blue


Theme: Sports


Pattern: Solid


Face Style: Modern


Character: Fashion


Brand Name: G-Shock


Model Name: GBM2100A


Included Components: Bio-based resin band


Model Number: GBM2100A-1A2


Series Number: 2100


Manufacturer: Casio


UPC: 889232377698


Manufacturer Part Number: GBM2100-1A2


Unit Count: 1 Count


Age Range Description: Adult


Item Type Name: Sport Watch


Band Material Type: Bio-based Resin


Case Material Type: 49.3 x 44.4 mm


Crystal: Mineral Glass


Case Diameter: 49 Millimeters


Band Width: 24 Millimeters


Case Thickness: 12 Millimeters


Band Length: 215 Millimeters


Bands: 1


Warranty Type: Manufacturer


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Jun 21

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

    • Good value for the money
Color: Black
Great looking watch that has all the features that I want. I installed a bracelet style band and that made a big difference in the look of the watch. The phone finder is a very useful feature. Solar power is a big plus. Knowing that the watch will always work and I don't have to worry about the battery dying. The build quality is very good and Casio has the reputation of being very tough watches. I high recommend this watch to anyone wanting a good watch at a great price. This watch can be worn to the office as well as out to dinner on a Saturday night. ... show more
Reviewed in the United States on February 15, 2026 by Bryan Harden
    • Fantastic Time Piece
Color: Black
Beautiful watch, refined just enough but tough enough to use in any situation. Love the solar charging and Bluetooth connectivity for a perfect setup. The light is bright and the looms are decent. Light weight you hardly notice you have it on. Highly recommend!
Reviewed in the United States on March 18, 2026 by David R.
    • Bomb proof and snazzy
Color: Black
Awesome watch! Kitted out with an aftermarket stainless steel band it looks amazing. You can get a protector for the watch crystal to really make it bomb proof. The Tough Solar is a no-brainer and setting it is a breeze via Bluetooth in the phone app.
Reviewed in the United States on January 1, 2026 by arv
    • Nice looking watch
Color: Black
Review Image by Luillo
Outstanding Watch! Tough, Stylish, and Packed With Features. The stainless-steel design combined with the blue accents gives it a premium look that stands out without being flashy. Easy to connect via Bluetooth.
Reviewed in the United States on November 16, 2025 by Luillo
    • Looks great and easy to use
Color: Black
I travel a lot for work and it is nice to have a watch i can easily update time zones from my phone. As long as gets some light, never goes dead. I really dont need all the features of a smart watch. Just wanted simple nice looking watch.
Reviewed in the United States on February 27, 2026 by Jetdriver
    • Absolutely Excellent Watch!
Color: Black
You have to hand it to Casio. In this day and age when everyone is interested in "smart" watches and social media influencers are pushing the narrative that everyone needs a luxury watch, Casio is still just doing their thing making durable and simple watches that most of us can afford. I personally don't want to see texts, emails, and a constant bombardment of app alerts on my wrist and while I respect the artistry of a high end watch like a Rolex or a Tudor, I just simply have different financial priorities. The half metal version of the "CasioOak" fits a perfect sweet spot for me. I work in an office five days a week and need to dress the part for meetings with clients. At the same time, I ride a bike to work five days a week as well, so I need a watch that can take the abuse of rain, and bumps on the streets, and gravel roads, etc. I also want to be able to read the watch while moving in and out of traffic quickly so I can pay attention to the road. The pale blue color of the dial adds a touch of flair without being too loud and the resin strap is nice and comfortable for when my wrist swells or contracts on cold and hot days while riding. The solar and bluetooth features are unnecessary for me, but they're nice to have and work well. I had no problem syncing up the watch to my phone and it's nice knowing the watch is keeping perfect time. Very happy with this purchase. ... show more
Reviewed in the United States on August 25, 2025 by Andrew Kaiser
    • Overall sturdy watch
Color: Black
Didn't come with the tin can..But Im happy with the watch very stylish
Reviewed in the United States on April 28, 2026 by Paris Williams
    • Big improvement.
Color: Black
Love the large solar collecting area built into the face of the watch. My other Casio Solar would end up losing their charge after a year or two and it was difficult to tell just what the remaining charge was. This one came with the charge setting reading medium and an hour in the sun and it was fully charged. The Bluetooth interface with my cellphone is great. No more trying to remember the button functions to change the time twice a year. ... show more
Reviewed in the United States on January 29, 2026 by Old Mechanic

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