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- 5%
G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition
G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition
G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition
G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition
G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition
G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition
G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition
G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition
G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition
G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition
G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition
G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition
G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition
G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition
G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition
G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition

G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition

$489.77

(1,094 reviews)

This model is decorated with the utility colours of the G-Steel GST-B300, which uses G-Shock's "Carbon Core Guard Structure" that is constantly evolving in the pursuit of durability. The windscreen is made of sapphire crystal and the bezel is made of carbon, which is characterised by its light weight and high rigidity. It is even more robust. The bezel is decorated with a new pattern created by advances in lamination and processing technology, offering an unprecedented design. Green IP is used for the case and front button, and a urethane strap with a green pattern is used for the strap.

This model is decorated with the utility colours of the G-Steel GST-B300, which uses G-Shock's "Carbon Core Guard Structure" that is constantly evolving in the pursuit of durability. The windscreen is made of sapphire crystal and the bezel is made of carbon, which is characterised by its light weight and high rigidity. It is even more robust. The bezel is decorated with a new pattern created by advances in lamination and processing technology, offering an unprecedented design. Green IP is used for the case and front button, and a urethane strap with a green pattern is used for the strap.

G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition

(1,094 reviews)

This model is decorated with the utility colours of the G-Steel GST-B300, which uses G-Shock's "Carbon Core Guard Structure" that is constantly evolving in the pursuit of durability. The windscreen is made of sapphire crystal and the bezel is made of carbon, which is characterised by its light weight and high rigidity. It is even more robust. The bezel is decorated with a new pattern created by advances in lamination and processing technology, offering an unprecedented design. Green IP is used for the case and front button, and a urethane strap with a green pattern is used for the strap.

This model is decorated with the utility colours of the G-Steel GST-B300, which uses G-Shock's "Carbon Core Guard Structure" that is constantly evolving in the pursuit of durability. The windscreen is made of sapphire crystal and the bezel is made of carbon, which is characterised by its light weight and high rigidity. It is even more robust. The bezel is decorated with a new pattern created by advances in lamination and processing technology, offering an unprecedented design. Green IP is used for the case and front button, and a urethane strap with a green pattern is used for the strap.

$489.77 - $1,058.76

in 10 offers

The lowest price for G-Shock GST-B300XB-1A3ER Watch - G-Steel - Limited Edition right now is $489.77 at ZenLuxe.jp, compared across 7 retailers.

The all-time low was $320.58 on 27 Oct 2026 — today's price is 53% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 4 Nov 2026.

Price comparison

Price data powered by pricesAPI.io

Last updated at 04/11/2026 09:56:27

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

$489.77

CASIO G-SHOCK G-STEEL GST-B300 Series GST-B300XB-1A3JF Black Khaki Resin Stainless Steel Carbon Men's Analog-Digital Good Condition [Authentic] [Used]

Free delivery

https://www.google.com/s2/favicons?domain=chrono24.com.au&sz=64Chrono24.com.au

$528.00

Casio G-Shock GST-B300XB-1A3JF Carbon Black 50.3mm

Free delivery

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

$580.22

Buy Casio G-STEEL GST-B300 GST-B300XB-1A3JF in Black | MONTREDO

Delivery $48.17

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

$604.34

CASIO G-shock #GST-B300XB-1A3

Free delivery

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

$735.91

Casio G-shock G-steel Gst-b300xb-1a3 Bluetooth Digital Watch Carbon

Delivery $17.29

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=mall.elady.com&sz=64mall.elady.com

$808.64

CASIO G-SHOCK G-STEEL GST-B300 Series GST-B300XB-1A3JF Black Khaki Resin SS Carbon Men's Watch

Free delivery

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

$841.09

Casio G-Steel GST-B300XB-1A3ER Men's Solar Watch, Black, Plastic, 50mm

Free delivery between 12–18 Nov

Price history

Price history

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

Specification

Watch StyleSport, Luxury, Military, Smart
Clasp typeBuckle
Water resistant depth20 bars
Band ColorGreen
Band MaterialPlastic

Price comparison

Updated 3 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=zenluxe.jp&sz=64
ZenLuxe.jp

$489.77

CASIO G-SHOCK G-STEEL GST-B300 Series GST-B300XB-1A3JF Black Khaki Resin Stainless Steel Carbon Men's Analog-Digital Good Condition [Authentic] [Used]

Free delivery

https://www.google.com/s2/favicons?domain=chrono24.com.au&sz=64
Chrono24.com.au

$528.00

Casio G-Shock GST-B300XB-1A3JF Carbon Black 50.3mm

Free delivery

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

$580.22

Buy Casio G-STEEL GST-B300 GST-B300XB-1A3JF in Black | MONTREDO

Delivery $48.17

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

$604.34

Out of stock

CASIO G-shock #GST-B300XB-1A3

Free delivery

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

$735.91

Casio G-shock G-steel Gst-b300xb-1a3 Bluetooth Digital Watch Carbon

Delivery $17.29

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.

Specification

Watch StyleSport, Luxury, Military, Smart
Clasp typeBuckle
Water resistant depth20 bars
Band ColorGreen
Band MaterialPlastic

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