Casio presents this G-Shock smartwatch combining many smart functions with the classic hard wearing G-Shock traits. The watch is powered by a high capacity solar charging system harnessing the power of any light source for reliable watch operation with minimal impact to the environment. It also uses a USB charging cable, with 2.5 hours of charge giving approximately 14 hours of continuous use. Airplane mode Radio wave signals can be disabled when flying or in a medical facility. Alarm function Altimeter This function counts all the metres that have been ascended, giving you the difference between the starting and stopping altitude at a glance. A built-in pressure sensor measures barometric pressure, which is converted to relative altitude up to a maximum 10,000m. Automatic calendar Once set, the automatic calendar always displays the correct date. Barometer A special sensor measures the air pressure (measuring range: 260/1100 hPa) and presents this on the display in the form of a symbol enabling early detection of weather trends. Battery level indicator An indicator shows the current battery level. Bluetooth® Connectivity Connect to compatible smartphones for a range of features Button tones on/off Watch will not beep when switching from one function to another. Preset alarm or countdown timers remain active when the button tones are deactivated. 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) GPS navigation The watch collects location data from GPS satellites to display the current location on a route or bearing to a destination. Heart rate monitor Displays heart rate & intensity at 5 stages using graphs. Lap memory 200 records Power saving After the Alert, the following operations are stopped to save power: all hand movement (excluding the day indicator), Bluetooth connection, and alarms Shock-resistant Shock-resistant construction protects against impact and vibration. Solar power A solar cell provides power for operation. Stopwatch function Thermometer (-10°C / +60°C) A sensor measures the ambient temperature around the watch and displays it in °C (-10°C /+60°C). - Total Weight 101g - Case Depth 20.4mm - Case Width 55mm - Watch Movement Solar & Rechargeable Battery - Water Resistance 200 metres