Casio Duro vs Casio G-Shock GA-2100
Side-by-side comparison of specifications and features
Key Differences
Price Comparison
| Specification | Casio Duro | Casio G-Shock GA-2100 |
|---|---|---|
| Pricing | ||
| MSRP | $85 | $120 |
| New Price | $93 | $108 |
| Used Price (Low) | $62 | $73 |
| Used Price (High) | $385 | $420 |
| 30-Day Trend | 0.0% | ↑ +4.2% |
| Used Price Range | $62 - $385 | $73 - $420 |
| Identity | ||
| Reference | MDV106-1AV | GA-2100-1A1 |
| Nickname | N/A | N/A |
| Style | Diver, Tool | Ana-Digi, Sports, Tool |
| Release Era | 2010s | 2010s |
| Dimensions | ||
| Diameter | 44mm | 45.4mm |
| Thickness | 12mm | 11.8mm |
| Lug Width | 22mm | 22mm |
| Lug to Lug | 48mm | 47mm |
| Movement | ||
| Movement | Quartz | Quartz |
| Power Reserve / Battery | N/A | N/A |
| Accuracy | N/A | N/A |
| Case | ||
| Case Material | Resin | Resin |
| Crystal | Mineral Crystal | Mineral Crystal |
| Water Resistance | 200m (diving) | 200m (diving) |
| Bezel | Unidirectional rotating | Fixed |
| Dial | ||
| Dial Color | Black | Black |
| Luminous | Yes | Yes |
| Community | ||
| Review Rating | N/A | N/A |
| In Collections | N/A | N/A |
| On Wishlists | N/A | N/A |
| Forum Threads | N/A | N/A |
Quick Summary
This Casio Duro vs Casio G-Shock GA-2100 comparison is less about a universal winner and more about diver character versus ana-digi versatility. They both touch the tool use case, so smaller spec differences can matter more than brand preference.
How to choose
The biggest practical difference is usually movement and upkeep. Start with wrist fit and movement preference, then use water resistance and price to break the tie.
Casio Duro
Casio Duro is a better fit for low-maintenance daily wear, diver styling.
Casio G-Shock GA-2100
Casio G-Shock GA-2100 is a better fit for low-maintenance daily wear, ana-digi styling.
Key Differences
Movement and upkeep
Casio Duro: quartz movement
Casio G-Shock GA-2100: quartz movement
Both use the same movement type, so maintenance differences are limited and fit or feature details should decide the purchase.
Size and wearability
Casio Duro: 44mm · L2L 48mm
Casio G-Shock GA-2100: 45.4mm · L2L 47mm
Their size profiles are relatively close, so fit comes down to shape, weight, and how each watch sits on your wrist.
Water resistance
Casio Duro: 200m
Casio G-Shock GA-2100: 200m
Water resistance is similar on paper, so focus on fit, features, and price instead.
Price and value
Casio Duro: $93
Casio G-Shock GA-2100: $108
These two often land in a similar price band — which usually means fit, features, and current deal quality matter more than the sticker price.
Style and use case
Casio Duro: diver
Casio G-Shock GA-2100: ana-digi
Casio Duro leans more diver, while Casio G-Shock GA-2100 pulls toward ana-digi use case — pick the one that matches how you will actually wear it.
Crystal and materials
Casio Duro: mineral crystal · resin
Casio G-Shock GA-2100: mineral crystal · resin
Materials are broadly similar, so finish, fit, and price will matter more than the materials list alone.
Choose Casio Duro If...
- You are specifically shopping for a diver style watch.
Choose Casio G-Shock GA-2100 If...
- You are specifically shopping for a ana-digi style watch.
Price and Value Notes
Casio Duro usually offers the lower entry price — confirm current listings because marketplace pricing can move quickly.
These two often land in a similar price band — which usually means fit, features, and current deal quality matter more than the sticker price.
Where to Check Deals
Check current deals on Amazon and eBay using the buttons below — listing prices, seller quality, and condition can change quickly.
Check current deals on Amazon and eBay
Prices change often, so compare the latest listings and condition options before you buy.
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Casio Duro
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Casio G-Shock GA-2100
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Comparison FAQ
Which one is better for smaller wrists?
Start with case width and lug-to-lug. The watch that looks smaller on paper is often the safer choice, but lug shape and thickness still affect how it wears.
Which is better for swimming or rough daily wear?
Use the water resistance row as the first filter. Higher ratings generally give more flexibility for swimming and water exposure, but strap choice and overall condition still matter.
Should I choose based on price alone?
Price matters, but the better buy is the watch that matches your fit, feature priorities, and use case. Check live listings first, then decide whether the price gap actually changes the ownership experience.
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Casio Duro
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Casio G-Shock GA-2100
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