Casio G-Shock G-Steel Men's Watch GST-B400GB-1A9 GST-B400 Series Tough Solar (Solar powered) Mobile link (Wireless linking using Bluetooth®) sporty watch Tap into the dedicated app

Tap into the dedicated app to access the to-the-second precision timekeeping that is so important for racing teams

Tough construction meets stylish design with metal bezel ion-plated in gold set against a black base

Streamline your style

or in dark gray with green lettering and an orange laser effect on the LCD

It is equipped with waterproof 50 meters

Casio G-Shock G-Steel Men's Watch GST-B400GB-1A9 GST-B400 Series Tough Solar (Solar powered) Mobile link (Wireless linking using Bluetooth®) sporty watch Tap into the dedicated appFeatures G STEEL GST B400 Series Revel in the eclectic G STEEL combination of metal and resin components in an ever popular color scheme of black and gold. Tough construction meets stylish design with metal bezel ion plated in gold set against a black base. This sophisticated fashion statement with a luxury feel and cool look takes you where you want to go. Specifications Basic Information Case size (L W H) 46. 6 49. 6 12. 9 mm Weight 80 g Case and