Inheriting the design concept of the original G-SHOCK, the new octagonal GAB2100 comes equipped with a Bluetooth® smartphone link and tough solar technology. The newly developed thin module has been optimized for these additional features while maintaining a slim structure. The band and bezel colors are the "first color" hues of the original square DW5600 series. Carbon Core Guard structure Solar powered Battery level indicator Wireless linking using Bluetooth Auto time adjustment Easy watch setting Approximately 300 world time cities Time & place Reminder Phone finder Resin Band Shock Resistant 200-meter water resistance 48.5 × 45.4 × 11.9 mm Style: gab2100-3a Color: Green Material: Resin