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G-Shock GST-B100D-1AER Watch - G-Steel
G-Shock GST-B100D-1AER Watch - G-Steel
G-Shock GST-B100D-1AER Watch - G-Steel
G-Shock GST-B100D-1AER Watch - G-Steel
G-Shock GST-B100D-1AER Watch - G-Steel
G-Shock GST-B100D-1AER Watch - G-Steel
G-Shock GST-B100D-1AER Watch - G-Steel
G-Shock GST-B100D-1AER Watch - G-Steel
G-Shock GST-B100D-1AER Watch - G-Steel
G-Shock GST-B100D-1AER Watch - G-Steel
G-Shock GST-B100D-1AER Watch - G-Steel
G-Shock GST-B100D-1AER Watch - G-Steel
G-Shock GST-B100D-1AER Watch - G-Steel
G-Shock GST-B100D-1AER Watch - G-Steel
G-Shock GST-B100D-1AER Watch - G-Steel

G-Shock GST-B100D-1AER Watch - G-Steel

(3,001 reviews)

From G-SHOCK, the watch that always strives for toughness, the first G-STEEL line-up models to offer chronograph performance in analogue format, but still maintain the G-SHOCK level of shock resistance. The GST-B100D features a solid case and simple stainless steel bracelet. The dial at 9 o'clock has a multi-functional rotating disk that is cut to resemble the thick blades of a jet engine. Rotation of the blades reveals red colouring behind the disk, and this change in colour is used to indicate the battery level and the alarm on/off setting. The blades also rotate in the Timekeeping and Stopwatch modes to with the passage of time. A new layer guard structure houses resin cushioning parts inside the case, for a more elegant design and a better fit to the wrist. High density mounting technology makes it possible to create a module that is smaller and thinner, which also contributes to a better fit. This watch is equipped with Bluetooth that lets it connect with a smartphone at the press of a button, and acquire time information from an internet time server. The result is accurate timekeeping no matter where in the world you happen to be. Other functions include a solar powered battery with up to two years power reserve, high brightness LED light illumination, and dual dial World Time.

From G-SHOCK, the watch that always strives for toughness, the first G-STEEL line-up models to offer chronograph performance in analogue format, but still maintain the G-SHOCK level of shock resistance. The GST-B100D features a solid case and simple stainless steel bracelet. The dial at 9 o'clock has a multi-functional rotating disk that is cut to resemble the thick blades of a jet engine. Rotation of the blades reveals red colouring behind the disk, and this change in colour is used to indicate the battery level and the alarm on/off setting. The blades also rotate in the Timekeeping and Stopwatch modes to with the passage of time. A new layer guard structure houses resin cushioning parts inside the case, for a more elegant design and a better fit to the wrist. High density mounting technology makes it possible to create a module that is smaller and thinner, which also contributes to a better fit. This watch is equipped with Bluetooth that lets it connect with a smartphone at the press of a button, and acquire time information from an internet time server. The result is accurate timekeeping no matter where in the world you happen to be. Other functions include a solar powered battery with up to two years power reserve, high brightness LED light illumination, and dual dial World Time.

$494.00 - $858.80

in 7 offers

Colour:

G-Shock GST-B100D-1AER Watch - G-Steel
Casio G Shock Waterproof Sports Black/Gold Analog GST-B100RH-1A
G-Shock G-Steel Connected Silver GSTB100D-1A Military

G-Shock GST-B100D-1AER Watch - G-Steel

$494.00

(3,001 reviews)

From G-SHOCK, the watch that always strives for toughness, the first G-STEEL line-up models to offer chronograph performance in analogue format, but still maintain the G-SHOCK level of shock resistance. The GST-B100D features a solid case and simple stainless steel bracelet. The dial at 9 o'clock has a multi-functional rotating disk that is cut to resemble the thick blades of a jet engine. Rotation of the blades reveals red colouring behind the disk, and this change in colour is used to indicate the battery level and the alarm on/off setting. The blades also rotate in the Timekeeping and Stopwatch modes to with the passage of time. A new layer guard structure houses resin cushioning parts inside the case, for a more elegant design and a better fit to the wrist. High density mounting technology makes it possible to create a module that is smaller and thinner, which also contributes to a better fit. This watch is equipped with Bluetooth that lets it connect with a smartphone at the press of a button, and acquire time information from an internet time server. The result is accurate timekeeping no matter where in the world you happen to be. Other functions include a solar powered battery with up to two years power reserve, high brightness LED light illumination, and dual dial World Time.

From G-SHOCK, the watch that always strives for toughness, the first G-STEEL line-up models to offer chronograph performance in analogue format, but still maintain the G-SHOCK level of shock resistance. The GST-B100D features a solid case and simple stainless steel bracelet. The dial at 9 o'clock has a multi-functional rotating disk that is cut to resemble the thick blades of a jet engine. Rotation of the blades reveals red colouring behind the disk, and this change in colour is used to indicate the battery level and the alarm on/off setting. The blades also rotate in the Timekeeping and Stopwatch modes to with the passage of time. A new layer guard structure houses resin cushioning parts inside the case, for a more elegant design and a better fit to the wrist. High density mounting technology makes it possible to create a module that is smaller and thinner, which also contributes to a better fit. This watch is equipped with Bluetooth that lets it connect with a smartphone at the press of a button, and acquire time information from an internet time server. The result is accurate timekeeping no matter where in the world you happen to be. Other functions include a solar powered battery with up to two years power reserve, high brightness LED light illumination, and dual dial World Time.

Colour:
G-Shock GST-B100D-1AER Watch - G-Steel
Casio G Shock Waterproof Sports Black/Gold Analog GST-B100RH-1A
G-Shock G-Steel Connected Silver GSTB100D-1A Military

Price comparison

Last updated at 16/09/2025 16:55:33

Chrono24.com.au

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Rubicon Watches AU

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$688.77

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Footshop.eu

$745.42

+ $85.20 delivery

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desertcart.com.au

$858.80

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available 15 days ago

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Dick Smith AU

$841.46

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Kogan.com

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Fruugo Australia

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Up to 3.6% Cashback

AliExpress

$115.69

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eBay - rubicon-watchco

$701.20

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!

Ubuy

$816.00

available 5 months ago

Low stock

eBay - anything_store_japan

$674.82

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!

eBay.com.au - anything_store_japan

$676.65

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!

eBay.com.au

$690.69

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!

Catch.com.au

$864.95

available 7 months ago

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Joom

$626.00

available 7 months ago

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eBay.com.au - japanese_products_store

$600.00

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available 7 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!

Prouds

$949.00

available 8 months ago

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Lacantus Store

$805.15

available 8 months ago

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eBay.com.au - lee_tradejapan

$627.48

Used

available 8 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!

Ozsale

$660.25

available 10 months ago

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7% cashback

shopback

Up to 4.2% Cashback

eBay.com.au - bears2636

$779.81

Used

available 10 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!

eBay.com.au - seiichi2riverwest

$745.07

Used

available 11 months ago

Low stock


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Fash Brands

$656.98

available 12 months ago

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WatchExclusive

$574.91

available 12 months ago

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Watch Superstore

$679.00

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eBay.com.au - rinrins-29

$669.03

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available 12 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!

eBay.com.au - tomomi_96

$729.12

Used

available about 1 year ago

Low stock


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Watches 2 U

$899.00

available about 1 year ago

Low stock

eBay.com.au - japan_store_1983

$670.49

available about 1 year 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!

Angus & Coote

$949.00

available about 1 year ago

Low stock

eBay.com.au - stylishanglers

$1,065.40

Used

available over 1 year ago

Low stock


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Babla's Jewellers

$724.80

available over 1 year ago

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FashDirect.com

$738.28

available about 2 years ago

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$693.08

available about 2 years ago

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eBay.com.au - buy.ship.easy

$537.99

available over 2 years 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!

Price history

​
​

Price history

​
​

Reviews

A Really Smart Watch
25 May 2022

originally posted on H.Samuel - The Jeweller

Casio GST B100
17 October 2022
bumpy-91

originally posted on ebay.com

Classy G Shock with muscle
8 September 2020
Gedyk04

originally posted on g-shock.co.uk

Specification

Diameter53.8 mm
Water Resistance20 Bar (Dive)
Timehours - Analogue hand
CalendarDate - Window
Chronograph and timersStopwatch /Chronograph - Add and split functions

Price comparison

Updated 2 days ago
Chrono24.com.au

$494.00

+$50.00 delivery
ModeSens

$514.00

+$192.00 delivery
First Class Watches

$605.00

Rubicon Watches AU

$628.00

+$21.74 delivery
i-Watch

$663.81

Low Stock

See 35 more history offers

Cash Converters

$449.00

Used
Low Stock
Dressinn.com

$651.49

Low Stock

cashrewards

4.2% cashback

Dick Smith AU

$841.46

Low Stock
Kogan.com

$841.46

Low Stock
Fruugo Australia

$674.00

Low Stock
fashemco.com

$911.95

Low Stock
MyDeal

$939.00

Low Stock

cashrewards

Up to 4.2% cashback


shopback

Up to 3.6% Cashback

AliExpress

$115.69

Low Stock
eBay - rubicon-watchco

$701.20

Low Stock
Ubuy

$816.00

Low Stock
eBay - anything_store_japan

$674.82

Low Stock
eBay.com.au - anything_store_japan

$676.65

Low Stock
eBay.com.au

$690.69

Low Stock
Catch.com.au

$864.95

Low Stock
Joom

$626.00

Low Stock
eBay.com.au - japanese_products_store

$600.00

Used
Low Stock
Prouds

$949.00

Low Stock
Lacantus Store

$805.15

Low Stock
eBay.com.au - lee_tradejapan

$627.48

Used
Low Stock
Ozsale

$660.25

Low Stock

cashrewards

7% cashback


shopback

Up to 4.2% Cashback

eBay.com.au - bears2636

$779.81

Used
Low Stock
eBay.com.au - seiichi2riverwest

$745.07

Used
Low Stock
Fash Brands

$656.98

Low Stock
WatchExclusive

$574.91

Low Stock
Watch Superstore

$679.00

Low Stock
eBay.com.au - rinrins-29

$669.03

Used
Low Stock
eBay.com.au - tomomi_96

$729.12

Used
Low Stock
Watches 2 U

$899.00

Low Stock
eBay.com.au - japan_store_1983

$670.49

Low Stock
Angus & Coote

$949.00

Low Stock
eBay.com.au - stylishanglers

$1,065.40

Used
Low Stock
Babla's Jewellers

$724.80

Low Stock
FashDirect.com

$738.28

Low Stock
FashBrands.com

$693.08

Low Stock
eBay.com.au - buy.ship.easy

$537.99

Low Stock

Price history

​
​

Price history

​
​

Reviews

A Really Smart Watch
25 May 2022
originally posted on H.Samuel - The Jeweller
Casio GST B100
17 October 2022
bumpy-91
originally posted on ebay.com
Classy G Shock with muscle
8 September 2020
Gedyk04
originally posted on g-shock.co.uk
Great everyday watch.
29 January 2023
schr-95643
originally posted on ebay.com
Review Title
16 April 2023
Anthony
originally posted on firstclasswatches.co.uk
Review Title
22 October 2021
Denis
originally posted on firstclasswatches.co.uk
Review Title
13 May 2020
Harry A. London
originally posted on firstclasswatches.co.uk
Review Title
1 April 2020
Murray From Victoria Australia
originally posted on firstclasswatches.co.uk
Sweet watch that really lights up at night!
27 May 2019
gray_squirrel
originally posted on ebay.com
Worth every penny
1 March 2023
budge666
originally posted on ebay.com

Specification

Diameter53.8 mm
Water Resistance20 Bar (Dive)
Timehours - Analogue hand
CalendarDate - Window
Chronograph and timersStopwatch /Chronograph - Add and split functions