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 2 offers
The lowest price for Casio G-Shock G-Steel Smartphone Link Carbon Core Guard Structure GST-B300-1AJF right now is $427.54 at Watch Zone, compared across 2 retailers.
The all-time low was $276.82 on 23 July 2026 — today's price is 54% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 27 Sept 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 27/09/2026 12:08:28
Casio G-Shock GST-B300-1A G-Steel Tough Solar Bluetooth Men's Watch
Casio G-shock G-steel Gst-b300-1ajf Solar Bluetooth Resin Men's Watch
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 |
Casio G-Shock GST-B300-1A G-Steel Tough Solar Bluetooth Men's Watch
Casio G-shock G-steel Gst-b300-1ajf Solar Bluetooth Resin Men's Watch
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 |
