G-SHOCK | G-STEEL B400: The Slimmest Ever G-STEEL

Built for Adventure. Designed for Life. The new GST-B400 Series offers strength, lightness and excellent weather resistance, house within a carbon fibre-reinforced resin case, which protects the newly designed module of the GST-B400. Additionally, specially engineered components made of resin help to ensure that this stylish new G-STEEL range is both shock and vibration resistant. Find out more now at