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Casio - GA-2100-9A9ER - Watch - Men - Quartz - G-Shock
Casio - GA-2100-9A9ER - Watch - Men - Quartz - G-Shock
Casio - GA-2100-9A9ER - Watch - Men - Quartz - G-Shock
Casio - GA-2100-9A9ER - Watch - Men - Quartz - G-Shock
Casio - GA-2100-9A9ER - Watch - Men - Quartz - G-Shock
Casio - GA-2100-9A9ER - Watch - Men - Quartz - G-Shock
Casio - GA-2100-9A9ER - Watch - Men - Quartz - G-Shock

Casio - GA-2100-9A9ER - Watch - Men - Quartz - G-Shock

(15,170 reviews)

What makes the Casio GA-2100 the perfect complement to any streetwear ensemble is the colour palette. It comes in various colours but this new edition is a monochrome colour pallette. Underneath the hood, the GA-2100 has more than enough invested in engineering to match its good looks. Its Carbon Core Guard structure has stood the test of time in providing next-level toughness in a lightweight format. An auto-LED light also provides great legibility to the analogue-digital dial and LCD display. The resin band combined with 200-metre depth rating makes the GA-2100 the go-to piece come rain or shine. Features such as time zone settings, stopwatch function, countdown timers and alarms provide versatility and unbeatable utility.

What makes the Casio GA-2100 the perfect complement to any streetwear ensemble is the colour palette. It comes in various colours but this new edition is a monochrome colour pallette. Underneath the hood, the GA-2100 has more than enough invested in engineering to match its good looks. Its Carbon Core Guard structure has stood the test of time in providing next-level toughness in a lightweight format. An auto-LED light also provides great legibility to the analogue-digital dial and LCD display. The resin band combined with 200-metre depth rating makes the GA-2100 the go-to piece come rain or shine. Features such as time zone settings, stopwatch function, countdown timers and alarms provide versatility and unbeatable utility.

$130.36 - $231.00

in 7 offers

Colour:

Casio - GA-2100-9A9ER - Watch - Men - Quartz - G-Shock
Casio - GA-2100-2A2ER - Watch - Men - Quartz - G-Shock
Casio G-Shock One Tone Series GA-2100-2A2JF

Casio - GA-2100-9A9ER - Watch - Men - Quartz - G-Shock

$130.36

(15,170 reviews)

What makes the Casio GA-2100 the perfect complement to any streetwear ensemble is the colour palette. It comes in various colours but this new edition is a monochrome colour pallette. Underneath the hood, the GA-2100 has more than enough invested in engineering to match its good looks. Its Carbon Core Guard structure has stood the test of time in providing next-level toughness in a lightweight format. An auto-LED light also provides great legibility to the analogue-digital dial and LCD display. The resin band combined with 200-metre depth rating makes the GA-2100 the go-to piece come rain or shine. Features such as time zone settings, stopwatch function, countdown timers and alarms provide versatility and unbeatable utility.

What makes the Casio GA-2100 the perfect complement to any streetwear ensemble is the colour palette. It comes in various colours but this new edition is a monochrome colour pallette. Underneath the hood, the GA-2100 has more than enough invested in engineering to match its good looks. Its Carbon Core Guard structure has stood the test of time in providing next-level toughness in a lightweight format. An auto-LED light also provides great legibility to the analogue-digital dial and LCD display. The resin band combined with 200-metre depth rating makes the GA-2100 the go-to piece come rain or shine. Features such as time zone settings, stopwatch function, countdown timers and alarms provide versatility and unbeatable utility.

Colour:
Casio - GA-2100-9A9ER - Watch - Men - Quartz - G-Shock
Casio - GA-2100-2A2ER - Watch - Men - Quartz - G-Shock
Casio G-Shock One Tone Series GA-2100-2A2JF

Price comparison

Last updated at 11/08/2025 09:21:33

TicTacArea

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+ $53.38 delivery

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$150.95

+ $16.31 delivery

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i-Watch

$153.29

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Chrono24.com.au

$181.00

+ $84.00 delivery

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First Class Watches

$185.00

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eBay

$231.00

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Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

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$240.90

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$299.00

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$299.00

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$289.00

available 28 days ago

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Up to 4.2% cashback

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Up to 3.6% Cashback

Ubuy

$200.02

available about 1 month ago

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$149.00

available about 1 month ago

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$179.95

available about 2 months ago

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$138.00

available 2 months ago

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The Watchly

$229.00

available 4 months ago

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$97.00

available 4 months ago

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Wallace Bishop

$219.00

available 4 months ago

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eBay.com.au

$299.42

available 5 months ago

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Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Jag Couture London - New York

$169.09

available 5 months ago

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Catch.com.au

$259.95

available 5 months ago

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G Life Watches

$219.00

available 6 months ago

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Watch Superstore

$219.00

available 6 months ago

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$138.00

available 6 months ago

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Watch Kings

$195.00

available 6 months ago

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Millers

$228.95

available 6 months ago

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cashrewards

Up to 3.5% cashback

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Up to 6% Cashback

Katies

$228.95

available 6 months ago

Low stock


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Up to 3.5% cashback

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Up to 6% Cashback

Rockmans

$228.95

available 6 months ago

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cashrewards

Up to 3.5% cashback

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Up to 6% Cashback

Noni B

$228.95

available 6 months ago

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cashrewards

Up to 3.5% cashback

Rivers

$228.95

available 6 months ago

Low stock


cashrewards

Up to 3.5% cashback

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Up to 6% Cashback

eBay.com.au - uhrcenter

$250.89

available 6 months ago

Low stock


Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Fruugo Australia

$159.00

available 7 months ago

Low stock

ModeSens

$133.00

available 7 months ago

Low stock

eBay.com.au - carpediemdischiavonemarinoantonio

$299.42

available 7 months ago

Low stock


Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au - h.s.johnson

$125.94

available 8 months ago

Low stock


Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

REVOLVE

$127.82

available 9 months ago

Low stock

eBay.com.au - golden.outlet

$226.70

available 11 months ago

Low stock


Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au - seiichi2riverwest

$228.45

Used

available about 1 year ago

Low stock


Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au - theluxurycity

$163.53

available about 1 year ago

Low stock


Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

AliExpress.com

$40.46

available about 1 year ago

Low stock

Price history

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Price history

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Specification

Time IndicationAnalogue - Digital
MechanismQuartz
Case MaterialResin + Carbon
Colour SphereYellow
Material of StrapResin

Price comparison

Updated about 20 hours ago
TicTacArea

$130.36

Relojesdemoda.com

$142.67

+$53.38 delivery
GadgetiCloud

$150.95

+$16.31 delivery
i-Watch

$153.29

+$71.28 delivery
Chrono24.com.au

$181.00

+$84.00 delivery

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Dressinn.com

$152.99

Low Stock

cashrewards

4.2% cashback

McRichard Designer Brands

$338.06

Low Stock
fashemco.com

$263.95

Low Stock
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$149.00

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$240.90

Low Stock
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$299.00

Low Stock
Kogan.com

$299.00

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$289.00

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cashrewards

Up to 4.2% cashback


shopback

Up to 3.6% Cashback

Ubuy

$200.02

Low Stock
au.ShopBetter24.com

$149.00

Low Stock
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$179.95

Low Stock
Rubicon Watches AU

$138.00

Low Stock
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$229.00

Low Stock
H S Johnson

$97.00

Low Stock
Wallace Bishop

$219.00

Low Stock
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$299.42

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Jag Couture London - New York

$169.09

Low Stock
Catch.com.au

$259.95

Low Stock
G Life Watches

$219.00

Low Stock
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$219.00

Low Stock
StockX

$138.00

Low Stock
Watch Kings

$195.00

Low Stock
Millers

$228.95

Low Stock

cashrewards

Up to 3.5% cashback


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Katies

$228.95

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Up to 3.5% cashback


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Up to 6% Cashback

Rockmans

$228.95

Low Stock

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Up to 3.5% cashback


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Up to 6% Cashback

Noni B

$228.95

Low Stock

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Up to 3.5% cashback

Rivers

$228.95

Low Stock

cashrewards

Up to 3.5% cashback


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Up to 6% Cashback

eBay.com.au - uhrcenter

$250.89

Low Stock
Fruugo Australia

$159.00

Low Stock
ModeSens

$133.00

Low Stock
eBay.com.au - carpediemdischiavonemarinoantonio

$299.42

Low Stock
eBay.com.au - h.s.johnson

$125.94

Low Stock
REVOLVE

$127.82

Low Stock
eBay.com.au - golden.outlet

$226.70

Low Stock
eBay.com.au - seiichi2riverwest

$228.45

Used
Low Stock
eBay.com.au - theluxurycity

$163.53

Low Stock
AliExpress.com

$40.46

Low Stock

Price history

​
​

Price history

​
​

Specification

Time IndicationAnalogue - Digital
MechanismQuartz
Case MaterialResin + Carbon
Colour SphereYellow
Material of StrapResin