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.
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 6 offers
The lowest price for G-Shock G-Steel Watch GSTB300-1A right now is $421.61 at banzaihobby.com, compared across 3 retailers.
The all-time low was $233.70 on 19 Aug 2026 — today's price is 80% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 15 Sept 2026.
Last updated at 15/09/2026 05:47:20
CASIO G-SHOCK GST-B300-1ADR
Delivery $39.69
G-Shock G-Steel Black Watch GST-B300-1A
Free delivery between 18–23 Sept
Casio G-shock Gst-b300-1adr Used
Delivery $127.39
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!
Shock Model Gst B300 1adr Casio
Delivery $47.03
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!
Casio Gst-b300-1adr G-shock
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!
Casio Gst-b300-1adr G-shock
Delivery $32.14
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!
| Watch Case Material | Stainless Steel |
| Water Resistant | 200 Metres |
| Watch Strap Material | Resin |
CASIO G-SHOCK GST-B300-1ADR
Delivery $39.69
G-Shock G-Steel Black Watch GST-B300-1A
Free delivery between 18–23 Sept
Casio G-shock Gst-b300-1adr Used
Delivery $127.39
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!
Shock Model Gst B300 1adr Casio
Delivery $47.03
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!
Casio Gst-b300-1adr G-shock
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!
| Watch Case Material | Stainless Steel |
| Water Resistant | 200 Metres |
| Watch Strap Material | Resin |