Is the GA-2100SKE-7AER good for swimming?

Yes. It is rated to 200m water resistance, so swimming and snorkeling are fine. Avoid pressing buttons underwater and skip deep diving.

How does it compare with the standard GA-2100?

Same case, module and size. The SKE version uses translucent skeleton resin instead of solid colors, so it looks bolder but shows wear more.

Does it track steps or connect to a phone?

No. There is no Bluetooth, GPS or step counter. The activity label refers to basic timers and alarms, not fitness tracking.

How big does it wear on a small wrist?

The 45.4mm case is large on paper, but the slim profile and short lugs make it sit closer to a 42mm watch. Most owners with average wrists find it comfortable.

Does it need charging or a battery?

It runs on a standard coin-cell battery, not solar or USB. Casio rates battery life at about three years.

The watch, a resin strap already fitted, and a manual. No extra strap or tool is included.

Where is the Casio G-Shock GA-2100SKE-7AER Watch cheapest?

At Casa D'Oro, for $110.00, as of our latest check.

What do buyers say about the Casio G-Shock GA-2100SKE-7AER Watch?

Rated 4.7 out of 5 from 625 ratings.

Where can I buy the Casio G-Shock GA-2100SKE-7AER Watch?

12 stores we checked sell it, including First Class Watches, Argento, KICKS CREW, Dressinn.com, Casa D'Oro.

Casio G-Shock GA-2100SKE-7AER Watch

Best price now

$110.00at Casa D'OroChecked 3 h ago

Compared across 13 stores. Prices are checked against each store and labelled with when.

Visit Casa D'Oro

Casio G-Shock GA-2100SKE-7AER Watch

Best price now

$110.00at Casa D'OroChecked 3 h ago

Compared across 13 stores. Prices are checked against each store and labelled with when.

Visit Casa D'Oro

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Price facts

Last seen at $110.00 at Casa D'Oro on Nov 10.
Checked at 13 stores.

Our take on the Casio G-Shock GA-2100SKE-7AER Watch

The GA-2100SKE-7AER is a translucent-skeleton edition of Casio's GA-2100, the slim 'CasiOak' that reshaped the G-Shock line. It pairs a carbon-core guard case with a 45.4mm octagonal profile, analog hands over a digital window, and 200m water resistance. It suits people who want a tough everyday watch with a streetwear look and don't need Bluetooth or solar. Against the steel-bezel GA-2100 models it is lighter and more transparent, but the clear resin shows scuffs and yellowing sooner. Owners rate it highly for looks and durability.

Best forEveryday wear with casual or streetwear outfitsBuyers who want G-Shock toughness without a bulky caseFirst G-Shock or a gift for a teen or young adultSwimmers and outdoor users who need 200m water resistance

Pros

Slim 45.4mm carbon-core case wears smaller than most G-Shocks
200m water resistance and shock resistance for real abuse
Analog hands plus digital display covers time, date and stopwatch
Translucent skeleton resin gives it a distinct look
Hands and markers glow in the dark

Cons

Clear resin picks up scratches and can yellow with sun exposure
No Bluetooth, solar charging or step tracking despite the activity label
Negative digital display is hard to read in low light
Resin strap feels basic for the price class

Casio G-Shock GA-2100SKE-7AER Watch prices at every store

Casa D'OroNew
In stock
$110.00Checked 3 h ago
Visit Casa D'Oro
First Class WatchesNew
In stockShips from abroad · duties may apply
$125.00Checked 3 h ago
Visit First Class Watches
First Class WatchesNew
In stock
$130.00Free shippingChecked 3 h ago
Visit First Class Watches
ArgentoNew
In stock
$144.26Checked 3 h ago
Visit Argento
KICKS CREWNew
In stock
$157.95+ $35.00 shippingChecked 3 h ago
Visit KICKS CREW
Dressinn.comNew
Availability unknownShips from abroad · duties may apply
$99.99Checked 3 h ago
Visit Dressinn.com
Rubicon WatchesNew
Availability unknown
$121.00Checked 3 h ago
Visit Rubicon Watches
i-watchNew
Availability unknown
$121.00Checked 3 h ago
Visit i-watch
The Watch GalleryNew
Availability unknownShips from France · duties may apply
$125.00Checked 3 h ago
Visit The Watch Gallery
Chrono24.comNew
Availability unknown
$126.00Checked 3 h ago
Visit Chrono24.com
WatchExclusiveNew
Availability unknownShips from the EU · duties may apply
$126.91Checked 3 h ago
Visit WatchExclusive
Timeshop24.comNew
Availability unknown
$133.62Checked 3 h ago
Visit Timeshop24.com
Watchia.comNew
Availability unknown
$139.00Checked 3 h ago
Visit Watchia.com

Store links may earn us a commission. Some prices via Klarna.

Casio G-Shock GA-2100SKE-7AER Watch price history

Lowest price we've seen: $99.99 on Nov 11 at Dressinn.com. Tracked across 13 stores since Nov 11.

What reviewers say

4.7 / 5625 ratings

Owners rate it 4.7 out of 5 and mostly praise the look, the slim fit and the toughness. Complaints center on the clear resin aging and the dim digital readout.

What people mention

DesignPraisedOwners buy it for the skeleton case and octagonal shape, and say it looks better in person.
BuildPraisedReviewers report it shrugs off drops, scratches and water without issue.
ComfortPraisedThe slim carbon case and light resin strap make it easy to wear all day.
Resin agingCriticisedThe clear resin shows scuffs quickly and some owners report yellowing after months in the sun.
DisplayMixedThe analog hands are clear, but the negative digital window is dim and hard to read at night.
FeaturesMixedBuyers like the alarm and stopwatch but note there is no Bluetooth, solar or real activity tracking.

About the Casio G-Shock GA-2100SKE-7AER Watch

The Casio G-Shock GA-2100SKE-7AER is a wrist watch with a round case measuring 45.4 mm. It has a digital display and includes an alarm.

The watch is water resistant and scratch-resistant. It also includes an activity tracker.

Brand: Casio
Style: Wrist watch
Display: Digital
Case shape: Round
Case size: 45.4 mm
Water resistance: Yes
Scratch resistance: Yes
Alarm: Yes
Tracker: Activity

Specifications

Style: Wrist
Display: Digital
Water Resistant: Yes
Tracker: Activity
With Alarm: Yes
Scratch-Resistant: Yes
Case Shape: Round Case
Case Size

Questions and answers

Is the GA-2100SKE-7AER good for swimming?: Yes. It is rated to 200m water resistance, so swimming and snorkeling are fine. Avoid pressing buttons underwater and skip deep diving.
How does it compare with the standard GA-2100?: Same case, module and size. The SKE version uses translucent skeleton resin instead of solid colors, so it looks bolder but shows wear more.
Does it track steps or connect to a phone?: No. There is no Bluetooth, GPS or step counter. The activity label refers to basic timers and alarms, not fitness tracking.
How big does it wear on a small wrist?: The 45.4mm case is large on paper, but the slim profile and short lugs make it sit closer to a 42mm watch. Most owners with average wrists find it comfortable.
Does it need charging or a battery?: It runs on a standard coin-cell battery, not solar or USB. Casio rates battery life at about three years.
What is in the box?: The watch, a resin strap already fitted, and a manual. No extra strap or tool is included.
Where is the Casio G-Shock GA-2100SKE-7AER Watch cheapest?: At Casa D'Oro, for $110.00, as of our latest check.
What do buyers say about the Casio G-Shock GA-2100SKE-7AER Watch?: Rated 4.7 out of 5 from 625 ratings.
Where can I buy the Casio G-Shock GA-2100SKE-7AER Watch?: 12 stores we checked sell it, including First Class Watches, Argento, KICKS CREW, Dressinn.com, Casa D'Oro.