"I want to buy a G-SHOCK, but there are so many that I do not know which to choose."
I often hear that concern.
To give the conclusion upfront, the bestselling models now combine classic appeal, solar power with radio-controlled timekeeping, and a square shape.
Using Amazon review counts and ratings as of October 2025 as the basis,
this article ranks the G-SHOCK models that are truly popular.
🧭Selection Criteria
| Measure | Details |
|---|---|
| Data source | Amazon product pages as of October 2025 |
| Rating measure | Review count × average rating of at least ★4.0 |
| Scope | Regular retail models, excluding limited editions and collaborations |
Review counts are real data closely tied to actual sales.
Rather than social media buzz, a model purchased by many satisfied owners is the mark of a truly popular model.
🥇1st Place: GW-M5610U-1
Where to Buy the Casio GW-M5610U-1
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Where to Buy a Screen Protector for Casio GW-M5610
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💬 Reviews: 2,500 / average rating: ★4.5
The king of square G-SHOCKs.
Since its U-model update in 2021, it has continued to dominate the upper reaches of Amazon's rankings.
✅ Solar power with radio-controlled timekeeping keeps the time accurate
✅ Compact and light, at just 52g
✅ Backlight improved for higher brightness
A definitive design whose ratings remain strong years after release.
If you are unsure, this is the choice.
💡 Author's Comment:
I have worn the pre-update model for more than 10 years.
Without battery replacement or manual time setting, I can no longer imagine giving it up.
🥈2nd Place: GA-2100-1A1, Nicknamed CasiOak
Where to Buy the Casio GA-2100-1A
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Here is the all-black model. Subtle and stylish.
Where to Buy the Casio GA-2100-1A1
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Where to Buy a Screen Protector for Casio GA-2100
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Both of the above 2 models are hugely popular.
💬 Reviews: 4,300 / average rating: ★4.5
A classic whose octagonal bezel attracted attention for its resemblance to Audemars Piguet.
Its design symbolizes G-SHOCK's rejuvenation and is extremely popular overseas too.
✅ An exceptionally thin 11.8mm case
✅ Versatile design for casual outfits and suits
Especially suited to anyone seeking a G-SHOCK they can wear on the commute.
🥉3rd Place: GST-W110D-1A, 2nd-Generation G-STEEL
Where to Buy the Casio GST-W110-1A
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Here is the metal-band version.
Where to Buy the Casio GST-W110D-1A
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Where to Buy a Screen Protector for Casio GST-W110
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💬 Reviews: 2,600 / average rating: ★4.5
Still the most popular model in the G-STEEL series.
With a design combining metal and resin, it has become a classic G-SHOCK that also suits business attire.
✅ Solar power with radio-controlled timekeeping minimizes maintenance
✅ A stainless steel bezel for a premium feel
✅ Consistently high ratings on Amazon
A careful balance that is neither too flashy nor too substantial.
An ideal introduction to G-SHOCK for adults.
💡Related Article: Successive G-STEEL Models: Are Only the W110 and W310 Popular?
Incidentally, the slightly smaller GST-W310 is also recommended.
I bought this model.
Where to Buy the Casio GST-W310-1A
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Here is the slightly smaller metal-band version.
Where to Buy the Casio GST-W310D-1A
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Where to Buy a Screen Protector for Casio GST-W310
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🏅4th Place: DW-5600UE
Where to Buy the Casio DW-5600UE-1
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The above is a hugely popular design in the 5600 series. I love it too.
In addition, the all-black model, and the original-color model are highly rated and have become classics too!
Where to Buy the Casio DW-5600UBB-1
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Where to Buy the Casio DW-5600RL-1
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I would love you to try one for yourself.
💬 Reviews: 3,000 / average rating: ★4.5
G-SHOCK's original model.
A longtime favorite preserving the square DNA that dates back to the 1980s.
✅ Affordable and ideal as a first G-SHOCK
✅ Tough and light, perfect for work too
✅ A simple design you will not tire of
No radio-controlled timekeeping, but exceptionally dependable durability and usability.
Choose this if you want an inexpensive G-SHOCK that will not break.
🎖5th Place: GW-M5610UBC-1, Three-Fold Clasp Band × Radio-Controlled Solar
Where to Buy the Casio GW-M5610UBC-1
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Where to Buy a Screen Protector for Casio GW-M5610
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💬 Reviews: 2,000 / average rating: ★4.5
The three-fold clasp band, also called a metal-core band, is exceptionally comfortable.
It is supplied only with this model.
I think it is the best band for a square G-SHOCK.
The three-fold clasp band is also available separately.
You can buy it and fit it to your preferred 5600 model.
Where to Buy a Genuine Casio Band for GW-M5600BC and GW-M5610BC
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Simple tools are enough to remove and swap it.
Where to Buy JOREST Watch Band Adjustment Tools
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📊Popular Models Compared, as of October 2025
| Rank | Model name | Price range | Functions | Features |
|---|---|---|---|---|
| 1st | GW-M5610U-1 | Approximately ¥19,000 | Solar with radio-controlled timekeeping | A classic among classics, evolved as a U model |
| 2nd | GA-2100-1A1 | Approximately ¥14,000 | Analog-digital | A model also suited to casual wear |
| 3rd | GST-W110D-1A | Approximately ¥34,000 | Solar with radio-controlled timekeeping | No.1 popular metal model |
| 4th | DW-5600UE | Approximately ¥11,000 | Standard quartz | Ideal for beginners and work |
| 5th | GW-M5600BC-1 | Approximately ¥19,000 | Solar with radio-controlled timekeeping + 3-fold clasp band | Comfortable to wear |
Prices as of October 2025, researched on Amazon
💬Conclusion: Squares Ultimately Come Out on Top
As G-SHOCK popularity rankings show, people ultimately come back to squares.
G-SHOCK combines these 3 qualities: light, accurate, and resistant to breakage.
The GW-M5610U-1 in particular enjoys exceptional support from general users as well as G-SHOCK fans.
If you are unsure, try starting with this one.
Where to Buy the Casio GW-M5610U-1
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Where to Buy a Screen Protector for Casio GW-M5610
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