G-Shock GSTB100-1A Outdoor Watches Features: Mineral Crystal Glass /

Features: Mineral Crystal Glass / Spherical Glass

- Flashes with buzzer that sounds for alarms

Step indicator

From super-tough G-SHOCK comes a new collection of GA-400 with a large rotary switch for intuitive operation

wireless linking using Bluetooth®)

G-Shock GSTB100-1A Outdoor Watches Features: Mineral Crystal Glass /From G SHOCK, the watch that always strives for toughness, the first G STEEL lineup models to offer chronograph performance in analog format. Thought all the dials of these models are analog, they still boast G SHOCK level shock resistance. The dial at 9 oclock has a multi functional rotating disk that is cut to resemble the thick blades of a jet engine. Rotation of the blades reveals red coloring behind the disk, and this change in color is used to