The GPRH1000RY1A9ER is a rugged outdoor smartwatch from Casio’s G-Shock Master of G Rangeman series, designed for extreme conditions. It features advanced sensors including GPS, altimeter, barometer, compass, and a wrist heart-rate monitor, making it ideal for outdoor adventures and sports. Built to withstand harsh environments, the watch is shock-resistant, mud-resistant, and water-resistant up to 200 m. It also offers solar-assisted charging, activity tracking, and Bluetooth connectivity for syncing with apps. The bold rescue-yellow design adds high visibility and a striking tactical look. Basic InformationCase size : 60.6 × 53.2 × 20.3 mmWeight : 92 gCase and bezel material : Resin / Bio-based resinBand : Bio-based resin bandConstruction : Shock Resistant, Mud ResistantWater resistance : 200-metre water resistanceTime adjustment : GPS signal reception: Manual receive (position information, time information)Bluetooth: Connects to a smartphone and automatically adjusts the timePower supply and battery life : Charging system compatible with dedicated cable (requires device with Type-A USB terminal), Solar poweredSmartphone Link/App Connectivity FeaturesSmartphone Link feature : Mobile link (Automatic connection, wireless linking using Bluetooth)Apps : CASIO WATCHESApp connectivity feature : Auto time adjustment, Easy watch setting, Time Zone settingApproximately 300 world time cities, Notification function, Training analysis data, Activity history, Life log data, Sleep analysis data, Tide graph setting, Phone finder ExteriorGlass : Mineral GlassCompatible band size : 145 to 215 mmWatch FeaturesWorld Time & Calendar: 38 cities, sunrise/sunset, moon data, tide graphs, full auto-calendar.Timers & Alarms: 1-second stopwatch, countdown timer (up to 60 min), 4 daily alarms with snooze.Display & Light: LED backlight (Super Illuminator), selectable illumination duration, power-saving mode.Battery Life: 14–19 hours with GPS/heart rate active, up to 23 months in power-saving mode.Other Features: Airplane mode, vibration alerts, 12/24-hour format, heart-rate and blood oxygen monitoring (for general health).
