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Casio G-Shock Black Men's Watch - GA100-1A1
Casio G-Shock Black Men's Watch - GA100-1A1
Casio G-Shock Black Men's Watch - GA100-1A1
Casio G-Shock Black Men's Watch - GA100-1A1
Casio G-Shock Black Men's Watch - GA100-1A1
Casio G-Shock Black Men's Watch - GA100-1A1
Casio G-Shock Black Men's Watch - GA100-1A1
Casio G-Shock Black Men's Watch - GA100-1A1
Casio G-Shock Black Men's Watch - GA100-1A1
Casio G-Shock Black Men's Watch - GA100-1A1
Casio G-Shock Black Men's Watch - GA100-1A1
Casio G-Shock Black Men's Watch - GA100-1A1
Casio G-Shock Black Men's Watch - GA100-1A1
Casio G-Shock Black Men's Watch - GA100-1A1
Casio G-Shock Black Men's Watch - GA100-1A1

Casio G-Shock Black Men's Watch - GA100-1A1

(10,008 reviews)

Introducing the GA1001A1, an X-Large G-Shock watch with a bold and impressive design. With a diameter of 55.0mm, this watch is truly a standout piece. It features a shock resistant and anti-magnetic structure, ensuring durability and reliability in any situation. The 1/1000th second stopwatch with speed indicator allows for precise timing, while the auto LED light with afterglow ensures visibility in the dark. With world time for 29 time zones, 4 daily alarms, and 1 snooze alarm, this watch offers convenience and functionality. The countdown timer and full auto-calendar are additional useful features. Water-resistant up to 200 meters, this watch is perfect for any water-related activities. The black resin band and black face give it a sleek and stylish look. With its attention to detail and impressive features, the GA1001A1 is a must-have for those who seek both style and functionality in their timepiece. The battery has an approximate life of 2 years, making it a reliable choice for everyday use.

Introducing the GA1001A1, an X-Large G-Shock watch with a bold and impressive design. With a diameter of 55.0mm, this watch is truly a standout piece. It features a shock resistant and anti-magnetic structure, ensuring durability and reliability in any situation. The 1/1000th second stopwatch with speed indicator allows for precise timing, while the auto LED light with afterglow ensures visibility in the dark. With world time for 29 time zones, 4 daily alarms, and 1 snooze alarm, this watch offers convenience and functionality. The countdown timer and full auto-calendar are additional useful features. Water-resistant up to 200 meters, this watch is perfect for any water-related activities. The black resin band and black face give it a sleek and stylish look. With its attention to detail and impressive features, the GA1001A1 is a must-have for those who seek both style and functionality in their timepiece. The battery has an approximate life of 2 years, making it a reliable choice for everyday use.

$141.00 - $299.00

in 33 offers

Colour:

Casio G-Shock Black Men's Watch - GA100-1A1
Casio Men's GA100B-4A G-Shock Analog-Digital Red Resin Watch
Casio Men's GA100-1A4 'G-Shock' Analog-Digital Black Resin Watch
Casio Watch G-Shock GA-100B-7A
Casio Men's G-Shock Watch GA100A-9A

Casio G-Shock Black Men's Watch - GA100-1A1

$141.00

(10,008 reviews)

Introducing the GA1001A1, an X-Large G-Shock watch with a bold and impressive design. With a diameter of 55.0mm, this watch is truly a standout piece. It features a shock resistant and anti-magnetic structure, ensuring durability and reliability in any situation. The 1/1000th second stopwatch with speed indicator allows for precise timing, while the auto LED light with afterglow ensures visibility in the dark. With world time for 29 time zones, 4 daily alarms, and 1 snooze alarm, this watch offers convenience and functionality. The countdown timer and full auto-calendar are additional useful features. Water-resistant up to 200 meters, this watch is perfect for any water-related activities. The black resin band and black face give it a sleek and stylish look. With its attention to detail and impressive features, the GA1001A1 is a must-have for those who seek both style and functionality in their timepiece. The battery has an approximate life of 2 years, making it a reliable choice for everyday use.

Introducing the GA1001A1, an X-Large G-Shock watch with a bold and impressive design. With a diameter of 55.0mm, this watch is truly a standout piece. It features a shock resistant and anti-magnetic structure, ensuring durability and reliability in any situation. The 1/1000th second stopwatch with speed indicator allows for precise timing, while the auto LED light with afterglow ensures visibility in the dark. With world time for 29 time zones, 4 daily alarms, and 1 snooze alarm, this watch offers convenience and functionality. The countdown timer and full auto-calendar are additional useful features. Water-resistant up to 200 meters, this watch is perfect for any water-related activities. The black resin band and black face give it a sleek and stylish look. With its attention to detail and impressive features, the GA1001A1 is a must-have for those who seek both style and functionality in their timepiece. The battery has an approximate life of 2 years, making it a reliable choice for everyday use.

Colour:
Casio G-Shock Black Men's Watch - GA100-1A1
Casio Men's GA100B-4A G-Shock Analog-Digital Red Resin Watch
Casio Men's GA100-1A4 'G-Shock' Analog-Digital Black Resin Watch
Casio Watch G-Shock GA-100B-7A
Casio Men's G-Shock Watch GA100A-9A

Price comparison

Last updated at 15/10/2025 03:54:30

Amazon

$157.00

available 1 day ago

Low stock


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Amazon.com.au

$169.00

Go to store


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G Life Watches

$53.00

available 3 days ago

Low stock

Watch Kings

$53.00

available 5 days ago

Low stock

Salvos Stores

$80.00

available 6 days ago

Low stock

eBay - bluesky1205

$127.61

available 3 days 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 - mygiftstop

$128.82

available 1 day ago

Low stock


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eBay - anybrooklyn

$132.93

available 3 days ago

Low stock


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H S Johnson

$133.00

available 1 day ago

Low stock

GadgetiCloud

$140.00

available 1 day ago

Low stock

See 33 more history offers

RedDeerWatches.com

$194.88

available 14 days ago

Low stock

eBay - gifts_fromnippon

$337.21

available 14 days ago

Low stock


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Gioielleria Lucchese

$193.49

available 14 days ago

Low stock

Linda and Co

$220.00

available 14 days ago

Low stock

eBay - activvalue

$305.95

available 14 days 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 - nagazon19

$225.99

available 14 days ago

Low stock


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Burrows Jewellers

$299.00

available 14 days ago

Low stock

eBay - haruka-express

$477.29

available 14 days ago

Low stock


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Helvetic Time

$150.89

available 14 days ago

Low stock

eBay - watchspree

$177.48

available 14 days 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!

Dokodemo

$195.18

available 14 days ago

Low stock

eBay - solemate_sneakers

$246.50

available 14 days ago

Low stock


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MyDeal

$164.99

available 14 days ago

Low stock


shopback

Up to 3.6% Cashback

eBay - zamelsjewellers

$299.00

available 14 days ago

Low stock


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eBay - nyankichi2009

$199.75

available 14 days ago

Low stock


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eBay - sacchan2008

$178.07

available 14 days ago

Low stock


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KICKSCREW

$196.00

available 14 days ago

Low stock

anguscoote.com.au

$144.50

available 14 days ago

Low stock

ubuy

$162.72

available 15 days ago

Low stock

Discovery Japan

$224.07

available 15 days ago

Low stock

Watchspree

$140.70

available 15 days ago

Low stock

Ubuy

$228.61

available 15 days ago

Low stock

Fawaah.com

$197.67

available 15 days ago

Low stock

Monawatch

$128.61

available 15 days ago

Low stock

Joom

$170.50

available 27 days ago

Low stock

Diligence1International

$118.85

available 27 days ago

Low stock

akibashipping

$173.09

available 27 days ago

Low stock

desertcart.com.au

$173.40

available about 1 month ago

Low stock

Watches 2 U

$279.00

available about 1 month ago

Low stock

Reversible

$108.00

available about 1 month ago

Low stock

Cash Converters

$79.00

Used

available about 1 month ago

Low stock

eMEGA Australia

$168.95

available 2 months ago

Low stock

yrGear Australia

$199.00

available 3 months ago

Low stock

Price history

​
​

Price history

​
​

Reviews

9 May 2021
fatima a.r

originally posted on influenster.com

Affordable Lifestyle Watch
8 March 2023
messa_5003

originally posted on ebay.com

Best G-shock
12 May 2021
jitu6669

originally posted on ebay.com

Specification

Parts NumberGA-100-1A1 , GA 100 1A1
ColorwayBlack
Upper MaterialFabric/Synthetic Leather
Toe TypeRound Toe
Heel TypeFlat heel

Price comparison

Updated about 19 hours ago
Amazon

$157.00

Low Stock
Amazon.com.au

$169.00

G Life Watches

$53.00

Low Stock
Watch Kings

$53.00

Low Stock
Salvos Stores

$80.00

Low Stock

See 33 more history offers

RedDeerWatches.com

$194.88

Low Stock
eBay - gifts_fromnippon

$337.21

Low Stock
Gioielleria Lucchese

$193.49

Low Stock
Linda and Co

$220.00

Low Stock
eBay - activvalue

$305.95

Low Stock
eBay - nagazon19

$225.99

Low Stock
Burrows Jewellers

$299.00

Low Stock
eBay - haruka-express

$477.29

Low Stock
Helvetic Time

$150.89

Low Stock
eBay - watchspree

$177.48

Low Stock
Dokodemo

$195.18

Low Stock
eBay - solemate_sneakers

$246.50

Low Stock
MyDeal

$164.99

Low Stock

shopback

Up to 3.6% Cashback

eBay - zamelsjewellers

$299.00

Low Stock
eBay - nyankichi2009

$199.75

Low Stock
eBay - sacchan2008

$178.07

Low Stock
KICKSCREW

$196.00

Low Stock
anguscoote.com.au

$144.50

Low Stock
ubuy

$162.72

Low Stock
Discovery Japan

$224.07

Low Stock
Watchspree

$140.70

Low Stock
Ubuy

$228.61

Low Stock
Fawaah.com

$197.67

Low Stock
Monawatch

$128.61

Low Stock
Joom

$170.50

Low Stock
Diligence1International

$118.85

Low Stock
akibashipping

$173.09

Low Stock
desertcart.com.au

$173.40

Low Stock
Watches 2 U

$279.00

Low Stock
Reversible

$108.00

Low Stock
Cash Converters

$79.00

Used
Low Stock
eMEGA Australia

$168.95

Low Stock
yrGear Australia

$199.00

Low Stock

Price history

​
​

Price history

​
​

Reviews

9 May 2021
fatima a.r
originally posted on influenster.com
Affordable Lifestyle Watch
8 March 2023
messa_5003
originally posted on ebay.com
Best G-shock
12 May 2021
jitu6669
originally posted on ebay.com
Blue Bezel Watch GA100-1A2
5 February 2023
John D.
originally posted on watchdirect.com.au
Comfortable homage
31 October 2022
shivasdev
originally posted on ebay.com
Daylight biased reversed feature windows.
26 July 2021
htimsmk
originally posted on ebay.com
digital display was almost invisible.
17 January 2022
ron4405
originally posted on ebay.com
Disappointing watch
15 November 2021
John
originally posted on walmart.com
Good watch.
26 July 2022
alstotho_0
originally posted on ebay.com
Gshock Ga100-1a1 is awesome!!!!
25 February 2020
blha_4658
originally posted on ebay.com

Specification

Parts NumberGA-100-1A1 , GA 100 1A1
ColorwayBlack
Upper MaterialFabric/Synthetic Leather
Toe TypeRound Toe
Heel TypeFlat heel