G-Shock G-Steel Black & Gold Carbon Men's Watch GSTB300B-1A
Shock Resistant 200-meter water resistance Bluetooth smartphone link Solar Powered Introducing the GSTB300B-1A, the latest in the new rugged style of G-STEEL models that feature Carbon Core Guard structure. The new GSTB300s adopt tough G-SHOCK styling with a disk indicator at 6 o’clock that shows the current mode and charge level, and a front button that completes the overall rugged look. The disk, a round graphic digital display between 1 and 2 o'clock, and a digital display as 12 o'clock add to both functionality and looks. The new GSTB300B-1A model comes in a black case and resin band accompanied with striking Gold IP accented button, screws and buckle.
Shock Resistant 200-meter water resistance Bluetooth smartphone link Solar Powered Introducing the GSTB300B-1A, the latest in the new rugged style of G-STEEL models that feature Carbon Core Guard structure. The new GSTB300s adopt tough G-SHOCK styling with a disk indicator at 6 o’clock that shows the current mode and charge level, and a front button that completes the overall rugged look. The disk, a round graphic digital display between 1 and 2 o'clock, and a digital display as 12 o'clock add to both functionality and looks. The new GSTB300B-1A model comes in a black case and resin band accompanied with striking Gold IP accented button, screws and buckle.
Shock Resistant 200-meter water resistance Bluetooth smartphone link Solar Powered Introducing the GSTB300B-1A, the latest in the new rugged style of G-STEEL models that feature Carbon Core Guard structure. The new GSTB300s adopt tough G-SHOCK styling with a disk indicator at 6 o’clock that shows the current mode and charge level, and a front button that completes the overall rugged look. The disk, a round graphic digital display between 1 and 2 o'clock, and a digital display as 12 o'clock add to both functionality and looks. The new GSTB300B-1A model comes in a black case and resin band accompanied with striking Gold IP accented button, screws and buckle.
Shock Resistant 200-meter water resistance Bluetooth smartphone link Solar Powered Introducing the GSTB300B-1A, the latest in the new rugged style of G-STEEL models that feature Carbon Core Guard structure. The new GSTB300s adopt tough G-SHOCK styling with a disk indicator at 6 o’clock that shows the current mode and charge level, and a front button that completes the overall rugged look. The disk, a round graphic digital display between 1 and 2 o'clock, and a digital display as 12 o'clock add to both functionality and looks. The new GSTB300B-1A model comes in a black case and resin band accompanied with striking Gold IP accented button, screws and buckle.
in 5 offers
The lowest price for G-Shock G-Steel Black & Gold Carbon Men's Watch GSTB300B-1A right now is $375.51 at eBay.com.au, compared across 2 retailers.
The all-time low was $269.00 on 4 July 2026 — today's price is 40% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 7 Aug 2026.
Last updated at 07/08/2026 00:57:28
Casio G-shock Gst-b300 Series Black Resin Watch Gstb300b-1a
Delivery $140.77
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!
Unused Casio G-shock G-steel Gst-b300b-1ajf Black Digital Carbon Core
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 G-shock G-steel Gst-b300b-1ajf Black Digital Carbon Core Men
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 G-Steel GST-B300B-1AJF Mens Wristwatch, Solar Smartphone Link, Black, blackgold, Resin Band
Delivery between 11–15 Aug $35.88
G-Shock GSTB300B-1A Mens Watch, Black x Gold, One Size
Delivery $49.20
| Stone Type | No Stone |
| Metal Type | Resin |
| Metal Color | Black |
| Metal Finish | Satin |
| Metal Plating Type | Ion-Plated |
Casio G-shock Gst-b300 Series Black Resin Watch Gstb300b-1a
Delivery $140.77
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!
Unused Casio G-shock G-steel Gst-b300b-1ajf Black Digital Carbon Core
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 G-shock G-steel Gst-b300b-1ajf Black Digital Carbon Core Men
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 G-Steel GST-B300B-1AJF Mens Wristwatch, Solar Smartphone Link, Black, blackgold, Resin Band
Delivery between 11–15 Aug $35.88
G-Shock GSTB300B-1A Mens Watch, Black x Gold, One Size
Delivery $49.20
| Stone Type | No Stone |
| Metal Type | Resin |
| Metal Color | Black |
| Metal Finish | Satin |
| Metal Plating Type | Ion-Plated |
