The 51mm case is made of fine resin that incorporates carbon fiber for light weight along with rigidity that is superior to that of resin alone. This material protects the internal module from shock-induced damage. The dual back cover protects the back surface against impact. The case provides a comfortable fit, even though the watch is designed with a wide face. Equipped with Smartphone Linking for ease of setting approximately 300 world time cities, alarms, timer, time swapping, phone finder, and hand alignment correction. The watch comes with a stainless steel link bracelet that secures in place with a buckle clasp and is water-resistant to 200m.
The 51mm case is made of fine resin that incorporates carbon fiber for light weight along with rigidity that is superior to that of resin alone. This material protects the internal module from shock-induced damage. The dual back cover protects the back surface against impact. The case provides a comfortable fit, even though the watch is designed with a wide face. Equipped with Smartphone Linking for ease of setting approximately 300 world time cities, alarms, timer, time swapping, phone finder, and hand alignment correction. The watch comes with a stainless steel link bracelet that secures in place with a buckle clasp and is water-resistant to 200m.
in 15 offers
last seen 11 Oct 2026
The lowest price we last saw for G-Shock GSTB300SD-1A G-Steel Connected Silver Men's Watch was $239.34 at banzaihobby.com, compared across 9 retailers (last seen 11 Oct 2026). Prices may have changed since.
The all-time low we recorded was $233.70 on 19 Aug 2026.
Prices last updated 11 Oct 2026.
G-Shock GSTB300SD-1A G-Steel Connected Silver Men's Watch
The 51mm case is made of fine resin that incorporates carbon fiber for light weight along with rigidity that is superior to that of resin alone. This material protects the internal module from shock-induced damage. The dual back cover protects the back surface against impact. The case provides a comfortable fit, even though the watch is designed with a wide face. Equipped with Smartphone Linking for ease of setting approximately 300 world time cities, alarms, timer, time swapping, phone finder, and hand alignment correction. The watch comes with a stainless steel link bracelet that secures in place with a buckle clasp and is water-resistant to 200m.
The 51mm case is made of fine resin that incorporates carbon fiber for light weight along with rigidity that is superior to that of resin alone. This material protects the internal module from shock-induced damage. The dual back cover protects the back surface against impact. The case provides a comfortable fit, even though the watch is designed with a wide face. Equipped with Smartphone Linking for ease of setting approximately 300 world time cities, alarms, timer, time swapping, phone finder, and hand alignment correction. The watch comes with a stainless steel link bracelet that secures in place with a buckle clasp and is water-resistant to 200m.
Last updated at 11/10/2026 00:11:00
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| Brand | Casio |
| Oversized | Yes |
| Style | Bracelet |
| Display | Digital |
| Smartwatch | Yes |
CASIO G-SHOCK GST-B300SD-1AJF
Delivery $28.45
Casio Gshock Gsteel Gstb300 Series Watch (gstb300sd1ajf) Gray Dial
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-B300SD-1A
Free delivery
Casio G-Steel GST-B300SD-1AER Men's Solar Watch, Stainless Steel Band, Mobile Link
Free delivery between 19–23 Oct
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Delivery $49.67
| Brand | Casio |
| Oversized | Yes |
| Style | Bracelet |
| Display | Digital |
| Smartwatch | Yes |
