The Casio G-Shock GST-B400-1A from the G-STEEL series combines premium metal styling with G-Shock’s legendary toughness. Featuring a sleek silver stainless steel bezel paired with a black resin band, this watch delivers a modern, rugged look designed for both everyday wear and active lifestyles. Built with a slim and lightweight carbon core guard structure, the GST-B400-1A offers enhanced durability while maintaining a comfortable fit. The analogue-digital display provides easy access to essential functions including world time, stopwatch, countdown timer, alarms, and dual LED illumination. Equipped with Bluetooth® smartphone connectivity and Tough Solar charging technology, this watch offers convenient automatic time adjustment and reliable power without frequent battery changes. With 200M water resistance and shock-resistant construction, the GST-B400-1A is ready for work, travel, sport, and outdoor adventures. Features Premium G-STEEL series design Silver stainless steel bezel with black resin band Analogue and digital dual display Shock resistant construction Carbon Core Guard structure Tough Solar powered Bluetooth® smartphone connectivity 200M water resistance World time functionality Stopwatch and countdown timer Multiple daily alarms Dual LED illumination Slim and lightweight profile Hand shift feature for improved digital visibility
