CASIO G-SHOCK - GST-B400's Impeccable design comes with tough solar power and Bluetooth connectivity. #gstb400 #gsteel #gshockwatch #shockresist #watchoftheday #watchesofinstagram #challengethelimits #absolutetoughness #gshock | Facebook
GSTB400 Series Men's Luxury Watches Collection | G-SHOCK | CASIO
G-STEEL - GST-B400 | CASIO
G-STEEL - GST-B400 | CASIO
GSTB400 Series Men's Luxury Watches Collection | G-SHOCK | CASIO
G-STEEL - GST-B400 | CASIO
Casio G-Shock G-Steel GST-B400-1A Bluetooth Solar Men's Watch Silver Black Japan | eBay