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 1 offers
The lowest price for Casio G-Shock G-Steel Smartphone Link Carbon Core Guard Structure GST-B300-1AJF right now is $483.38 at eBay.com.au.
The all-time low was $410.37 on 27 Feb 2026 — today's price is 18% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 13 July 2026.
Casio G-Shock G-Steel Smartphone Link Carbon Core Guard Structure GST-B300-1AJF
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 13/07/2026 15:57:17
Casio G-shock Gst-b300-1ajf Bluetooth Solar G-steel Wristwatch
Free delivery
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| Style | Casual |
| Movement | Quartz (Solar Powered) |
| Dial Color | Black |
| Band Color | Black |
| Case Color | Silver |
Casio G-shock Gst-b300-1ajf Bluetooth Solar G-steel Wristwatch
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!
| Style | Casual |
| Movement | Quartz (Solar Powered) |
| Dial Color | Black |
| Band Color | Black |
| Case Color | Silver |