The Casio G-SHOCK G-STEEL GSTB100D-1A watch is a shock-resistant solar powered watch. The watch has a 58.1mm x 53.8mm stainless steel case. The watch features the ability maintain accurate timekeeping from anywhere in the world by using Bluetooth® and the G-SHOCK Connected app. The watch also has a phone finder feature that will make your smartphone ring when you press the “FIND” button on the watch. Other features include dual world time, a countdown timer, daily alarm, battery level indicator, full auto-calendar, date display, and a day indicator. The stainless steel bracelet has a deployant clasp. Water resistant to 200 meters.