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- 9%
G-Shock Ga 100A 9aer One Size
G-Shock Ga 100A 9aer One Size
G-Shock Ga 100A 9aer One Size
G-Shock Ga 100A 9aer One Size
G-Shock Ga 100A 9aer One Size
G-Shock Ga 100A 9aer One Size
G-Shock Ga 100A 9aer One Size
G-Shock Ga 100A 9aer One Size
G-Shock Ga 100A 9aer One Size
G-Shock Ga 100A 9aer One Size
G-Shock Ga 100A 9aer One Size

G-Shock Ga 100A 9aer One Size

(10,008 reviews)

Men's Watch - water resistant 20 ATM The Casio GA 100A-9A men's wristwatch is, given its functions, designed for all those who like to stay on top of things. The watch is powered by a battery. Sporting a combined dial with 12 indices, the GA 100A-9A offers both classic hands and additional small digital displays, and thus informs you not just about the time at your specific location, but also about the time in other zones of your preference.Furthermore, the GA 100A-9A features a timer, a stopwatch with a countdown timer and a loop function, a date window, and up to 5 alarms. The entire display uses automatic LED backlighting. The case has a circular shape and is made of high-quality plastic, whereas a mineral crystal has been used. As far as water resistance, the watch can withstand pressure typical for diving without a scuba. Enjoy the luxury and reliability of a Casio watch!

Men's Watch - water resistant 20 ATM The Casio GA 100A-9A men's wristwatch is, given its functions, designed for all those who like to stay on top of things. The watch is powered by a battery. Sporting a combined dial with 12 indices, the GA 100A-9A offers both classic hands and additional small digital displays, and thus informs you not just about the time at your specific location, but also about the time in other zones of your preference.Furthermore, the GA 100A-9A features a timer, a stopwatch with a countdown timer and a loop function, a date window, and up to 5 alarms. The entire display uses automatic LED backlighting. The case has a circular shape and is made of high-quality plastic, whereas a mineral crystal has been used. As far as water resistance, the watch can withstand pressure typical for diving without a scuba. Enjoy the luxury and reliability of a Casio watch!

$170.62 - $292.97

in 2 offers

last seen 12 May 2026

The lowest price we last saw for G-Shock Ga 100A 9aer One Size was $170.62 at eBay.com.au (last seen 12 May 2026). Prices may have changed since.

The all-time low we recorded was $140.28 on 27 Apr 2026.

Prices last updated 12 May 2026.

Colour:

G-Shock Ga 100A 9aer One Size

$170.62

last seen 12 May 2026
(10,008 reviews)

Men's Watch - water resistant 20 ATM The Casio GA 100A-9A men's wristwatch is, given its functions, designed for all those who like to stay on top of things. The watch is powered by a battery. Sporting a combined dial with 12 indices, the GA 100A-9A offers both classic hands and additional small digital displays, and thus informs you not just about the time at your specific location, but also about the time in other zones of your preference.Furthermore, the GA 100A-9A features a timer, a stopwatch with a countdown timer and a loop function, a date window, and up to 5 alarms. The entire display uses automatic LED backlighting. The case has a circular shape and is made of high-quality plastic, whereas a mineral crystal has been used. As far as water resistance, the watch can withstand pressure typical for diving without a scuba. Enjoy the luxury and reliability of a Casio watch!

Men's Watch - water resistant 20 ATM The Casio GA 100A-9A men's wristwatch is, given its functions, designed for all those who like to stay on top of things. The watch is powered by a battery. Sporting a combined dial with 12 indices, the GA 100A-9A offers both classic hands and additional small digital displays, and thus informs you not just about the time at your specific location, but also about the time in other zones of your preference.Furthermore, the GA 100A-9A features a timer, a stopwatch with a countdown timer and a loop function, a date window, and up to 5 alarms. The entire display uses automatic LED backlighting. The case has a circular shape and is made of high-quality plastic, whereas a mineral crystal has been used. As far as water resistance, the watch can withstand pressure typical for diving without a scuba. Enjoy the luxury and reliability of a Casio watch!

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Price comparison

Price data powered by pricesAPI.io

Last updated at 12/05/2026 13:05:28

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=ebay.com.au&sz=64eBay.com.au

$170.62

Casio G-shock Ga-100a Men's Yellow Quartz 4cm Vintage Used

Delivery $16.75

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!

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

15 October 2023

originally posted on lazada.com.ph

Legit item,withwarranty card. Store is also listed under official Casio website. Excellent item!

Daylight biased reversed feature windows.
26 July 2021htimsmk

originally posted on ebay.com

The yellow is pretty much the yellow of Lego. It matches my Jeep. Corvette, Porsche and Ferrari use a similar color. Ford's yellow is a tad more orange. It's dandelion yellow, not banana. I don't get the reviews complaining of a misleading color. It's spot on in the pictures. The watch itself is cool. The speed hand at 12 o'clock is of dubious value but maybe I'm not timing many aircraft, IDK. The reversed information windows are great in the bright sun but of little value in normal inside light. Still, this watch is more style than practical unless you have a specific application. The lighted dial feature will show the time and is pretty nice in total darkness but you won't get anything other than the analog time and a cool looking face with the light feature.

Fantastic Company
18 April 2023Helen K.

originally posted on watchdirect.com.au

Why pay more in Jewellery Shops when you can buy cheaper, it is the exact watch you’re after, it’s very quick delivery to your door, and it’s in Sydney.This is the 3rd watch I have bought from this Company and can only advise everyone that the watches are genuine and brand new saving you alot of money.

Price comparison

Updated 6 months ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=ebay.com.au&sz=64
eBay.com.au

$170.62

Casio G-shock Ga-100a Men's Yellow Quartz 4cm Vintage Used

Delivery $16.75

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!

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

15 October 2023

Legit item,withwarranty card. Store is also listed under official Casio website. Excellent item!

originally posted on lazada.com.ph
Daylight biased reversed feature windows.
26 July 2021

The yellow is pretty much the yellow of Lego. It matches my Jeep. Corvette, Porsche and Ferrari use a similar color. Ford's yellow is a tad more orange. It's dandelion yellow, not banana. I don't get the reviews complaining of a misleading color. It's spot on in the pictures. The watch itself is cool. The speed hand at 12 o'clock is of dubious value but maybe I'm not timing many aircraft, IDK. The reversed information windows are great in the bright sun but of little value in normal inside light. Still, this watch is more style than practical unless you have a specific application. The lighted dial feature will show the time and is pretty nice in total darkness but you won't get anything other than the analog time and a cool looking face with the light feature.

htimsmk originally posted on ebay.com
Fantastic Company
18 April 2023

Why pay more in Jewellery Shops when you can buy cheaper, it is the exact watch you’re after, it’s very quick delivery to your door, and it’s in Sydney.This is the 3rd watch I have bought from this Company and can only advise everyone that the watches are genuine and brand new saving you alot of money.

Helen K. originally posted on watchdirect.com.au
G-Shock Shocklingly Great!
23 June 2021

Bought this Casio G-Shock as a replacement for a lost one given to me by a dear friend. Though its not the original G-Shock given 6 years ago, it's still terrific! Chunky good looks, brilliant yellow and totally practical, I'm loving my new G-Shock!

besala_33 originally posted on ebay.com
Great purchase
18 April 2023

Bought this for my son to go with his yellow Iverson sneakers and a Reebok hoodie & tshirt. Perfect match.

jobach_31 originally posted on ebay.com
Hard Yellow G Shock
29 March 2019

Great Watch. Takes a few minutes to set up properly. All the quality you'd expect from a G shock. Shock the World. G

ggates67 originally posted on ebay.com
Love it!
14 July 2022

I think it's a great watch. One the best of Casio G-Shock watches.It sure a eye catching watch. The light in itself is pretty bright.If you like/love G-Shocks , I would highly recommend it.And you can either do click & collect have it delivered.

Mehmet C. originally posted on watchdirect.com.au
Love to run
17 September 2016

What a watch! I've used it during tough mudder through all sorts of stuff and it's taken a beating without any issues. I put on the stopwatch and when I'm running I just have to glance down. LOVE the big screen!

Alex originally posted on buywatchesonline.com.au
Nice watch. Good value.
24 December 2019

Nice watch! Great looking. I received a lot of compliments on it. I bought two of them. The auto light didn't work on one of them, and the watch case and band stain a lot.

glh238_7 originally posted on ebay.com

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