Case / bezel material- Resin. Resin Band. Mineral Glass. Shock Resistant. Tough Solar (Solar powered). Mobile link (Wireless linking using Bluetooth). G-SHOCK Connected. 200-meter water resistance. World time. Stopwatch. Timer. Calendar. Case size- 54.1 x 48.6 x 15.5 mm. Step count using a 3-axis acceleration sensor. Power Saving- Auto sensor sleep state entry after fixed period of non-activity.