This fully metal G-Shock has a silver tone finish with an LCD digital display. Functions include Bluetooth connectivity among many others, and its innovative core guard case structure means the watch is tougher than ever. Multi Band 6 radio control also ensures the most accurate timekeeping, and power is generated from a Solar movement with a two year power reserve. Accuracy +/- 15 seconds per month Airplane mode Radio wave signals can be disabled when flying or in a medical facility. Alarm function Automatic calendar Once set, the automatic calendar always displays the correct date. Battery level indicator An indicator shows the current battery level. Bluetooth® Connectivity Connect to compatible smartphones for a range of features Core guard structure Four stainless steel pipes form a metal frame that joins the bezel securely with the case back for increased shock resistance Countdown timer Date and weekday display Display illumination Auto Light: The watch dial will illuminate automatically when you tilt your wrist towards you. Once activated, this feature will automatically deactivate after six hours. LED light selectable illumination duration (1.5 seconds or 3 seconds) Link loss alert Your watch alerts you if wireless communication with your phone is broken Low-temperature resistant Even temperatures as low as -10 °C/ 14°F have no effect on this watch. Multi-language display Allows the day of the week to be displayed in a number of different languages OS: Android wear 2.0 Android 4.3 or later. iOS 9.0+* or later Power saving After the Alert, the following operations are stopped to save power: all hand movement (excluding the day indicator), Bluetooth connection, and alarms Screw lock back The screw connection on the base of the housing optimally protects the inner workings of the watch and simultaneously provides easy access, when changing the battery. Shock-resistant Shock-resistant construction protects against impact and vibration. Solar power A solar cell provides power for operation. Stopwatch function Vibration-resistant alphaGEL elements (a silicone material) surround the watch, making it even more resistant to shocks and vibrations. It is extremely flexible and has a cushioning effect on the module. World time function Displays the current time in major cities and specific areas around the world. - Total Weight 167g - Case Depth 13mm - Case Width 43.2mm - Watch Movement Solar Powered - Water Resistance 200 metres