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Casio G-Shock One Tone Series GA-2100-2A2JF
Casio G-Shock One Tone Series GA-2100-2A2JF
Casio G-Shock One Tone Series GA-2100-2A2JF
Casio G-Shock One Tone Series GA-2100-2A2JF
Casio G-Shock One Tone Series GA-2100-2A2JF
Casio G-Shock One Tone Series GA-2100-2A2JF
Casio G-Shock One Tone Series GA-2100-2A2JF
Casio G-Shock One Tone Series GA-2100-2A2JF
Casio G-Shock One Tone Series GA-2100-2A2JF
Casio G-Shock One Tone Series GA-2100-2A2JF
Casio G-Shock One Tone Series GA-2100-2A2JF
Casio G-Shock One Tone Series GA-2100-2A2JF
Casio G-Shock One Tone Series GA-2100-2A2JF
Casio G-Shock One Tone Series GA-2100-2A2JF
Casio G-Shock One Tone Series GA-2100-2A2JF

Casio G-Shock One Tone Series GA-2100-2A2JF

(14,408 reviews)

From G-SHOCK which continues to evolve in pursuit of toughness to the TONE-ONTONE series all details are finished in one tone. The base model uses GA-2100 with an octagon bezel. This is a casual color model that is perfect for street fashion and is easy to use as an accent to your styling. ・Shock-resistant structure・20 ATM waterproof function - Needle retraction function (if the hands overlap the LCD display and are difficult to see you can temporarily retract the hands from above the LCD display)・ World time: 48 cities around the world (31 time zones daylight savings time setting function included) + UTC (coordinated universal time) time display・ Stopwatch (1/100 second (less than 1 hour) / 1 second (more than 1 hour) 24 hours total with split) - Timer (set unit: 1 second maximum set: 24 hours measured in 1 second increments)・5 time alarms/time signal・Full auto calendar・12/24 hour display switching・ Operation sound ON/OFF switching function・Double LED light: LED light for dial (with super illuminator afterglow function afterglow time switching (1.5 seconds/3 seconds)) LED backlight for LCD section (super illuminator afterglow function afterglow time switching (1.5 seconds)) seconds/3 seconds)・Battery life: Approximately 3 years *Battery life is calculated from the time of production as it is a monitor battery.

From G-SHOCK which continues to evolve in pursuit of toughness to the TONE-ONTONE series all details are finished in one tone. The base model uses GA-2100 with an octagon bezel. This is a casual color model that is perfect for street fashion and is easy to use as an accent to your styling. ・Shock-resistant structure・20 ATM waterproof function - Needle retraction function (if the hands overlap the LCD display and are difficult to see you can temporarily retract the hands from above the LCD display)・ World time: 48 cities around the world (31 time zones daylight savings time setting function included) + UTC (coordinated universal time) time display・ Stopwatch (1/100 second (less than 1 hour) / 1 second (more than 1 hour) 24 hours total with split) - Timer (set unit: 1 second maximum set: 24 hours measured in 1 second increments)・5 time alarms/time signal・Full auto calendar・12/24 hour display switching・ Operation sound ON/OFF switching function・Double LED light: LED light for dial (with super illuminator afterglow function afterglow time switching (1.5 seconds/3 seconds)) LED backlight for LCD section (super illuminator afterglow function afterglow time switching (1.5 seconds)) seconds/3 seconds)・Battery life: Approximately 3 years *Battery life is calculated from the time of production as it is a monitor battery.

$171.99 - $315.00

in 24 offers

Colour:

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

Casio G-Shock One Tone Series GA-2100-2A2JF

$171.99

(14,408 reviews)

From G-SHOCK which continues to evolve in pursuit of toughness to the TONE-ONTONE series all details are finished in one tone. The base model uses GA-2100 with an octagon bezel. This is a casual color model that is perfect for street fashion and is easy to use as an accent to your styling. ・Shock-resistant structure・20 ATM waterproof function - Needle retraction function (if the hands overlap the LCD display and are difficult to see you can temporarily retract the hands from above the LCD display)・ World time: 48 cities around the world (31 time zones daylight savings time setting function included) + UTC (coordinated universal time) time display・ Stopwatch (1/100 second (less than 1 hour) / 1 second (more than 1 hour) 24 hours total with split) - Timer (set unit: 1 second maximum set: 24 hours measured in 1 second increments)・5 time alarms/time signal・Full auto calendar・12/24 hour display switching・ Operation sound ON/OFF switching function・Double LED light: LED light for dial (with super illuminator afterglow function afterglow time switching (1.5 seconds/3 seconds)) LED backlight for LCD section (super illuminator afterglow function afterglow time switching (1.5 seconds)) seconds/3 seconds)・Battery life: Approximately 3 years *Battery life is calculated from the time of production as it is a monitor battery.

From G-SHOCK which continues to evolve in pursuit of toughness to the TONE-ONTONE series all details are finished in one tone. The base model uses GA-2100 with an octagon bezel. This is a casual color model that is perfect for street fashion and is easy to use as an accent to your styling. ・Shock-resistant structure・20 ATM waterproof function - Needle retraction function (if the hands overlap the LCD display and are difficult to see you can temporarily retract the hands from above the LCD display)・ World time: 48 cities around the world (31 time zones daylight savings time setting function included) + UTC (coordinated universal time) time display・ Stopwatch (1/100 second (less than 1 hour) / 1 second (more than 1 hour) 24 hours total with split) - Timer (set unit: 1 second maximum set: 24 hours measured in 1 second increments)・5 time alarms/time signal・Full auto calendar・12/24 hour display switching・ Operation sound ON/OFF switching function・Double LED light: LED light for dial (with super illuminator afterglow function afterglow time switching (1.5 seconds/3 seconds)) LED backlight for LCD section (super illuminator afterglow function afterglow time switching (1.5 seconds)) seconds/3 seconds)・Battery life: Approximately 3 years *Battery life is calculated from the time of production as it is a monitor battery.

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

Price comparison

Last updated at 19/10/2025 14:39:57

Amazon

$152.99

available 5 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!

Amazon.com.au

$171.99

Go to store


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!

Bogart's Jewellers

$126.00

available 2 days ago

Low stock

CreationWatches.com

$131.38

available 2 days ago

Low stock

Reebelo Australia

$142.10

available 1 day ago

Low stock

H S Johnson

$143.00

available 2 days ago

Low stock

Iguana Sell AU

$145.00

available 1 day ago

Low stock

Monawatch

$147.94

available 1 day ago

Low stock

eBay - thewristoutlet

$149.39

available 5 days ago

Low stock


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Watches.com

$149.84

available 2 days ago

Low stock

See 26 more history offers

eBay - b2b2_shop

$251.89

available 18 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 - cb_watches

$164.52

available 18 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!

ozDigitalWatch.com

$159.99

available 18 days ago

Low stock

Watch Kings

$189.00

available 18 days ago

Low stock

Allike Store

$142.00

available 18 days ago

Low stock

Vincent Watch

$227.00

available 18 days ago

Low stock

eBay - marken_20191111

$887.38

available 18 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!

Microless.com

$144.45

available 18 days ago

Low stock

Ramesh Watch Company

$170.20

available 18 days ago

Low stock

Discovery Japan

$235.61

available 18 days ago

Low stock

eBay - anything_store_japan

$207.53

available 18 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!

Helvetic Time

$157.99

available 18 days ago

Low stock

japan-select

$279.48

available 18 days ago

Low stock

THE ICONIC

$195.30

available 18 days ago

Low stock


shopback

3% Cashback

MightyApe.com.au

$186.48

available 20 days ago

Low stock

eBay - redhotspecial

$215.00

available 20 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!

KICKSCREW

$217.00

available 20 days ago

Low stock

eBay - fashemco

$280.99

available 20 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!

Cougar Watches and Clocks

$195.30

available 20 days ago

Low stock

MyDeal

$299.00

available 20 days ago

Low stock


shopback

Up to 3.6% Cashback

Wallace Bishop Outlet

$229.00

available 20 days ago

Low stock

eBay - thewatchfactoryaustralia

$223.00

available 20 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!

akibashipping

$198.60

available about 1 month ago

Low stock

Joom

$264.97

available 3 months ago

Low stock

desertcart.com.au

$236.00

available 3 months ago

Low stock

ToysOneJapan

$98.32

available 3 months ago

Low stock

Price history

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Price history

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Price comparison

Updated about 3 hours ago
Amazon

$152.99

Low Stock
Amazon.com.au

$171.99

Bogart's Jewellers

$126.00

Low Stock
CreationWatches.com

$131.38

Low Stock
Reebelo Australia

$142.10

Low Stock

See 26 more history offers

eBay - b2b2_shop

$251.89

Low Stock
eBay - cb_watches

$164.52

Low Stock
ozDigitalWatch.com

$159.99

Low Stock
Watch Kings

$189.00

Low Stock
Allike Store

$142.00

Low Stock
Vincent Watch

$227.00

Low Stock
eBay - marken_20191111

$887.38

Low Stock
Microless.com

$144.45

Low Stock
Ramesh Watch Company

$170.20

Low Stock
Discovery Japan

$235.61

Low Stock
eBay - anything_store_japan

$207.53

Low Stock
Helvetic Time

$157.99

Low Stock
japan-select

$279.48

Low Stock
THE ICONIC

$195.30

Low Stock

shopback

3% Cashback

MightyApe.com.au

$186.48

Low Stock
eBay - redhotspecial

$215.00

Low Stock
KICKSCREW

$217.00

Low Stock
eBay - fashemco

$280.99

Low Stock
Cougar Watches and Clocks

$195.30

Low Stock
MyDeal

$299.00

Low Stock

shopback

Up to 3.6% Cashback

Wallace Bishop Outlet

$229.00

Low Stock
eBay - thewatchfactoryaustralia

$223.00

Low Stock
akibashipping

$198.60

Low Stock
Joom

$264.97

Low Stock
desertcart.com.au

$236.00

Low Stock
ToysOneJapan

$98.32

Low Stock

Price history

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Price history

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