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G-Shock Reveals the Über-Slim GST-B400

G-Shock has just revealed the GST-B400, which impresses with a stylish look and a slim profile measuring just 12.9 mm thick. In fact, it's the thinnest watch ever produced by the brand. 

Available with both a steel bracelet or rubber strap, it features all the functionality you've come to expect from the brand such as water-resistance up to 656ft, a stopwatch and alarm, easy access to 38 timezones worldwide, shock-resistance, and battery life of up to 18 months not to mention solar charging. It also features low-power Bluetooth connectivity and can connect to your smartphone.