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.

• Case size (L× W× H): 46.6 × 49.6 × 12.9 mm
• Weight: 80 g
• Case / bezel material: Resin / Stainless steel
• Resin Band
• Shock Resistant
• Carbon Core Guard structure
• 200-meter water resistance
• Tough Solar (Solar powered)
• Smartphone Link feature
• Mobile link (Wireless linking using Bluetooth®)
• Apps: CASIO WATCHES
• Mineral Glass
• Surface treatment: Black ion plated case
• Compatible band size: 145 to 215 mm
• Neobrite