A model that adds a rugged design to a G-STEEL model that uses the carbon core guard structure from G-SHOCK, which continues to evolve in the pursuit of toughness. A model covered with a rugged and playful design typical of G-SHOCK, with a disc dial that shows the current function mode and remaining charge at the 6 o'clock position, and ruggedly designed front button. Additionally, the round digital graphic at the 1 to 2 o'clock position, which is asymmetrical with the disc dial, achieves both functionality and design, together with the digital LCD at the 12 o'clock position. A model that uses a ruggedly designed resin band in pursuit of functional beauty.
A model that adds a rugged design to a G-STEEL model that uses the carbon core guard structure from G-SHOCK, which continues to evolve in the pursuit of toughness. A model covered with a rugged and playful design typical of G-SHOCK, with a disc dial that shows the current function mode and remaining charge at the 6 o'clock position, and ruggedly designed front button. Additionally, the round digital graphic at the 1 to 2 o'clock position, which is asymmetrical with the disc dial, achieves both functionality and design, together with the digital LCD at the 12 o'clock position. A model that uses a ruggedly designed resin band in pursuit of functional beauty.
in 3 offers
The lowest price for G-Shock G-Steel Watch GSTB300-1A right now is $464.70 at eBay.com.au, compared across 2 retailers.
The all-time low was $233.70 on 19 Aug 2026 — today's price is 99% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 8 Oct 2026.
G-Shock G-Steel Watch GSTB300-1A
A model that adds a rugged design to a G-STEEL model that uses the carbon core guard structure from G-SHOCK, which continues to evolve in the pursuit of toughness. A model covered with a rugged and playful design typical of G-SHOCK, with a disc dial that shows the current function mode and remaining charge at the 6 o'clock position, and ruggedly designed front button. Additionally, the round digital graphic at the 1 to 2 o'clock position, which is asymmetrical with the disc dial, achieves both functionality and design, together with the digital LCD at the 12 o'clock position. A model that uses a ruggedly designed resin band in pursuit of functional beauty.
A model that adds a rugged design to a G-STEEL model that uses the carbon core guard structure from G-SHOCK, which continues to evolve in the pursuit of toughness. A model covered with a rugged and playful design typical of G-SHOCK, with a disc dial that shows the current function mode and remaining charge at the 6 o'clock position, and ruggedly designed front button. Additionally, the round digital graphic at the 1 to 2 o'clock position, which is asymmetrical with the disc dial, achieves both functionality and design, together with the digital LCD at the 12 o'clock position. A model that uses a ruggedly designed resin band in pursuit of functional beauty.
Last updated at 08/10/2026 08:46:16
Casio Gst-b300 Solar Ana-digi Rubber Strap Black Wristwatch Used
Free delivery
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!
G-Shock G-Steel Black Watch GST-B300-1A
Free delivery between 12–15 Oct
| Brand | Casio |
| Style | Bracelet |
| Display | Digital |
| Smartwatch | Yes |
| Water Resistant | Yes |
Casio Gst-b300 Solar Ana-digi Rubber Strap Black Wristwatch Used
Free delivery
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!
G-Shock G-Steel Black Watch GST-B300-1A
Free delivery between 12–15 Oct
| Brand | Casio |
| Style | Bracelet |
| Display | Digital |
| Smartwatch | Yes |
| Water Resistant | Yes |