Casio G-Shock DW-H5600 vs Casio G-Shock GA-B2100

Side-by-side comparison of specifications and features

CasioG-Shock DW-H5600

DW-H5600-1

CasioG-Shock GA-B2100

GA-B2100-1A1

Key Differences

Best Value

Casio G-Shock GA-B2100 (GA-B2100-1A1)

Starting from $178

Biggest Price Drop

Casio G-Shock GA-B2100 (GA-B2100-1A1)

-0.1% in 30 days

Price Comparison

Casio G-Shock DW-H5600

MSRP

$300

New

$301

Used

$218

Casio G-Shock GA-B2100

MSRP

$150

New

$178

Used

$130

MSRP New (Amazon) Used (eBay)

Comparison of Casio G-Shock DW-H5600, Casio G-Shock GA-B2100
Specification	Casio G-Shock DW-H5600	Casio G-Shock GA-B2100
Pricing
MSRP	$300	$150
New Price	$301	$178
Used Price (Low)	$218	$130
Used Price (High)	$565	$290
30-Day Trend	↑ +8.2%	↓ -0.1%
Used Price Range	$218 - $565	$130 - $290
Identity
Reference	DW-H5600-1	GA-B2100-1A1
Nickname	N/A	N/A
Style	Sports, Tool	Sports, Tool
Release Era	2000s	2000s
Dimensions
Diameter	44mm	45mm
Thickness	N/A	N/A
Lug Width	N/A	N/A
Lug to Lug	N/A	N/A
Movement
Movement	Solar Powered	Solar Powered
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	Fixed	Fixed
Dial
Dial Color	Black	Blue
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

Casio G-Shock DW-H5600 and Casio G-Shock GA-B2100 can look close on a spec sheet, yet the tradeoffs that matter most are usually entry price versus premium finishing or specs. They both touch the sports and 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 G-Shock DW-H5600

Casio G-Shock DW-H5600 is a better fit for low-maintenance daily wear, sports styling.

Casio G-Shock GA-B2100

Casio G-Shock GA-B2100 is a better fit for low-maintenance daily wear, sports styling.

Key Differences

Movement and upkeep

Casio G-Shock DW-H5600: solar movement

Casio G-Shock GA-B2100: solar 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 G-Shock DW-H5600: 44mm

Casio G-Shock GA-B2100: 45mm

Their size profiles are relatively close, so fit comes down to shape, weight, and how each watch sits on your wrist.

Water resistance

Casio G-Shock DW-H5600: 200m

Casio G-Shock GA-B2100: 200m

Water resistance is similar on paper, so focus on fit, features, and price instead.

Price and value

Casio G-Shock DW-H5600: $301

Casio G-Shock GA-B2100: $178

There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.

Style and use case

Casio G-Shock DW-H5600: sports

Casio G-Shock GA-B2100: sports

Both lean into a similar sports use case — the choice is more about fit, features, and price than category.

Crystal and materials

Casio G-Shock DW-H5600: mineral crystal · resin

Casio G-Shock GA-B2100: mineral crystal · resin

Materials are broadly similar, so finish, fit, and price will matter more than the materials list alone.

Choose Casio G-Shock DW-H5600 If...

You are comfortable paying more for a stronger feature set.

Choose Casio G-Shock GA-B2100 If...

You want the lower current entry price.

Price and Value Notes

Casio G-Shock GA-B2100 is often the value play at current pricing, while Casio G-Shock DW-H5600 makes more sense if you will use its extra features regularly.

There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.

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.

WatchCompared may earn a commission from qualifying purchases through affiliate links. This does not change your price.

Casio G-Shock DW-H5600

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $344 · Live listings

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Casio G-Shock GA-B2100

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $200 · Live listings

Affiliate links — WatchCompared earns a commission on qualifying purchases. This doesn't affect your price.

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.