Casio G-Shock Gents G Steel GST-B100 Series Black Dial Stainless Steel Solar Watch A G-STEEL model equipped with an analogue chronograph and a pure stainless steel band designed with a motif of heavy jet engine blades. A dual-coil motor in a rotating disc dial placed at 9 o'clock moves the dial blades and exudes a functional beauty. In addition to the alarm on/off function and using the rotation to show the stopwatch, etc., it also functions as a battery indicator, The layer guard structure and high-density mounting technology have allowed the module to be smaller and thinner, improving wearability and overall watch quality. It is also equipped with Bluetooth connectivity that enables accurate time acquisition via your smartphone. Its Tough Solar feature allows it to run stably, and it is also equipped with practical functions such as high-brightness LEDs and dual-dial world time. Brand: G-Shock Case Size: 58.1 x 53.8 x 14.1mm Dial Colour: Black Function: Smart Watch Glass Type: Mineral Glass Strap Colour: Silver Strap Material: Stainless Steel Supplier Code: GST-B100D-1AER Type: Watch Warranty: 2 Years Watch Movement: Solar Quartz Water Resistancy: 20 ATM