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- 19%
G-Shock GA-100-1A4ER Watch
G-Shock GA-100-1A4ER Watch
G-Shock GA-100-1A4ER Watch
G-Shock GA-100-1A4ER Watch
G-Shock GA-100-1A4ER Watch
G-Shock GA-100-1A4ER Watch
G-Shock GA-100-1A4ER Watch
G-Shock GA-100-1A4ER Watch
G-Shock GA-100-1A4ER Watch
G-Shock GA-100-1A4ER Watch
G-Shock GA-100-1A4ER Watch
G-Shock GA-100-1A4ER Watch
G-Shock GA-100-1A4ER Watch
G-Shock GA-100-1A4ER Watch
G-Shock GA-100-1A4ER Watch
G-Shock GA-100-1A4ER Watch

G-Shock GA-100-1A4ER Watch

$97.00

(10,008 reviews)

Dive into the world of modern style with the Casio G-Shock men's wristwatch model GA-100-1A4ER - a real gem that you simply must have. This watch combines the sophistication of black with high-tech functions, providing an incredible balance between elegance and performance. A quartz movement powers this watch, providing precision and reliability. Made of durable material, the watch is shock-resistant, perfect for a dynamic lifestyle. The black color further emphasizes the universality of the watch, allowing it to fit perfectly with different fashion combinations. In addition to visual attractiveness, this Casio G-Shock watch impresses with a series of functions that make it irresistible. DST (Daylight Saving Time) adjustment, speed display, world time and resistance to magnetic fields are just some of the extras that make this watch extremely functional. Casio G-Shock GA-100-1A4ER is not just a watch, but a style statement and a technical marvel that will win the heart of every lover of modern watches. Don't wait - add this extraordinary watch to your collection and highlight your unique style!

Dive into the world of modern style with the Casio G-Shock men's wristwatch model GA-100-1A4ER - a real gem that you simply must have. This watch combines the sophistication of black with high-tech functions, providing an incredible balance between elegance and performance. A quartz movement powers this watch, providing precision and reliability. Made of durable material, the watch is shock-resistant, perfect for a dynamic lifestyle. The black color further emphasizes the universality of the watch, allowing it to fit perfectly with different fashion combinations. In addition to visual attractiveness, this Casio G-Shock watch impresses with a series of functions that make it irresistible. DST (Daylight Saving Time) adjustment, speed display, world time and resistance to magnetic fields are just some of the extras that make this watch extremely functional. Casio G-Shock GA-100-1A4ER is not just a watch, but a style statement and a technical marvel that will win the heart of every lover of modern watches. Don't wait - add this extraordinary watch to your collection and highlight your unique style!

G-Shock GA-100-1A4ER Watch

(10,008 reviews)

Dive into the world of modern style with the Casio G-Shock men's wristwatch model GA-100-1A4ER - a real gem that you simply must have. This watch combines the sophistication of black with high-tech functions, providing an incredible balance between elegance and performance. A quartz movement powers this watch, providing precision and reliability. Made of durable material, the watch is shock-resistant, perfect for a dynamic lifestyle. The black color further emphasizes the universality of the watch, allowing it to fit perfectly with different fashion combinations. In addition to visual attractiveness, this Casio G-Shock watch impresses with a series of functions that make it irresistible. DST (Daylight Saving Time) adjustment, speed display, world time and resistance to magnetic fields are just some of the extras that make this watch extremely functional. Casio G-Shock GA-100-1A4ER is not just a watch, but a style statement and a technical marvel that will win the heart of every lover of modern watches. Don't wait - add this extraordinary watch to your collection and highlight your unique style!

Dive into the world of modern style with the Casio G-Shock men's wristwatch model GA-100-1A4ER - a real gem that you simply must have. This watch combines the sophistication of black with high-tech functions, providing an incredible balance between elegance and performance. A quartz movement powers this watch, providing precision and reliability. Made of durable material, the watch is shock-resistant, perfect for a dynamic lifestyle. The black color further emphasizes the universality of the watch, allowing it to fit perfectly with different fashion combinations. In addition to visual attractiveness, this Casio G-Shock watch impresses with a series of functions that make it irresistible. DST (Daylight Saving Time) adjustment, speed display, world time and resistance to magnetic fields are just some of the extras that make this watch extremely functional. Casio G-Shock GA-100-1A4ER is not just a watch, but a style statement and a technical marvel that will win the heart of every lover of modern watches. Don't wait - add this extraordinary watch to your collection and highlight your unique style!

$97.00 - $406.00

in 42 offers

The lowest price for G-Shock GA-100-1A4ER Watch right now is $97.00 at Chrono24.com.au, compared across 23 retailers.

The all-time low was $75.86 on 12 Mar 2026 — today's price is 28% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 31 Oct 2026.

Colour:

Black
Black / Blue
Black / Digital / Red
Blue
Camouflage
Gold
Green
Grey
Orange
Purple
Quartz
Red
Resin
Rose Gold
Stainless
Tan
White
Yellow

Price comparison

Price data powered by pricesAPI.io

Last updated at 31/10/2026 00:07:08

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=chrono24.com.au&sz=64Chrono24.com.au

$97.00

Casio GA-100-1A4ER

Free delivery

https://www.google.com/s2/favicons?domain=ebay.com.au&sz=64eBay.com.au

$106.70

Casio G-shock Ga-100-1a1 Men's Analog/digital Watch

Delivery $9.70

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!

https://www.google.com/s2/favicons?domain=watch-out.store&sz=64Watch-Out

$126.62

CASIO G-shock #GA-100-1A4

Free delivery

https://www.google.com/s2/favicons?domain=hsjohnson.com&sz=64H S Johnson

$128.00

G-Shock GA-100-1A4ER Multifunction Watch

Free delivery

https://www.google.com/s2/favicons?domain=gadgeticloud.com&sz=64GadgetiCloud

$141.75

Casio G-Shock GA-100-1A4ER Men's Digital Analog Watch, Black and Red, Resin Band

Free delivery between 9–13 Nov

https://www.google.com/s2/favicons?domain=ozdigitalwatch.com&sz=64ozDigitalWatch

$154.99

Casio G-Shock GA-100-1A4 Black & Red Analog Digital Men's Watch GA100

Free delivery between Tue – Fri

https://www.google.com/s2/favicons?domain=kickscrew.com&sz=64kickscrew.com

$160.00

CASIO G-Shock Analog-Digital 'Black' GA-100-1A4DR US F

Delivery $60

https://www.google.com/s2/favicons?domain=tictacarea.com&sz=64Tictacarea.com

$160.93

Casio g-shock classic watch ga-100-1a4er

Free delivery

https://www.google.com/s2/favicons?domain=stockx.com&sz=64StockX

$170.00

Casio G-Shock GA-100-1A4ER

Delivery $34.95

https://www.google.com/s2/favicons?domain=gioiellerialucchese.it&sz=64Gioielleria Lucchese

$175.18

Casio G-Shock Men's Watch GA-100-1A4ER

Delivery between 6–14 Nov $30.29

Price history

Price history

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

Specification

BrandCasio
OversizedYes
DisplayAnalogue-digital
ChronographYes
DepartmentUnisex

Price comparison

Updated 4 days 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=chrono24.com.au&sz=64
Chrono24.com.au

$97.00

Casio GA-100-1A4ER

Free delivery

https://www.google.com/s2/favicons?domain=ebay.com.au&sz=64
eBay.com.au

$106.70

Casio G-shock Ga-100-1a1 Men's Analog/digital Watch

Delivery $9.70

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!

https://www.google.com/s2/favicons?domain=watch-out.store&sz=64
Watch-Out

$126.62

CASIO G-shock #GA-100-1A4

Free delivery

https://www.google.com/s2/favicons?domain=hsjohnson.com&sz=64
H S Johnson

$128.00

G-Shock GA-100-1A4ER Multifunction Watch

Free delivery

https://www.google.com/s2/favicons?domain=gadgeticloud.com&sz=64
GadgetiCloud

$141.75

Casio G-Shock GA-100-1A4ER Men's Digital Analog Watch, Black and Red, Resin Band

Free delivery between 9–13 Nov

Price history

Price history

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

Specification

BrandCasio
OversizedYes
DisplayAnalogue-digital
ChronographYes
DepartmentUnisex

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