Casio G-Shock G-Steel GSTB400BB-1A

Revel in eclectic sophistication with the G-STEEL fusion of metal and resin components in a popular all-black G-SHOCK.
Tough construction meets stylish design in a black ion-plated metal bezel set against a base of jet black. With its slim combination module and Carbon Core Guard structure, the black-on-black take of the GST-B400 is a cool fashion statement ready for whatever you are.
Basic Information
Case size (L× W× H)
46.6 × 49.6 × 12.9 mm
Weight
80 g
Case and bezel material
Case / bezel material: Resin / Stainless steel
Band
Resin Band
Construction
Shock ResistantCarbon Core Guard structure
Water resistance
200-meter water resistance
Power supply and battery life
Tough Solar (Solar powered)
Smartphone Link feature
Mobile link (Wireless linking using Bluetooth®)
Apps
CASIO WATCHES
Available App Store and Google Play