Casio G-Shock Overseas Model GBD-300-1 New, Compatible with the "G-SHOCK MOVE" App Case size (H x W x D): 48.9 × 47.4 × 14.9 mm Weight: 60 g Case/Bezel Material: Resin / Resin (Biomass Plastic) Band: Resin band (Biomass Plastic) Construction: Shock-resistant structure (Shock Resist) Water resistance: 20 ATM water resistance Power supply/Battery life: Battery life: Approximately 2 years Sensor function: Training function: Displays distance, speed, pace, etc. calculated by an acceleration sensor, automatic/manual lap function, auto-pause function, arrival notification alert setting (time, calories burned) ON/OFF switching function, training display customization function (measurement time, distance, pace, lap time, lap distance, lap pace, average pace, speed, average speed, calories burned) Mobile link/App cooperation function: Mobile link function (Automatic Connection, function linkage via Bluetooth communication with compatible mobile phones) Compatible app: "G-SHOCK MOVE" App cooperation function: Automatic time correction, Easy watch setting World time: Approximately 300 cities Notification function (incoming calls, email reception, new SNS notifications, calendar notifications, reminder notifications) Activity log data Life log data Distance correction using smartphone GPS Training plan creation Mobile phone search Exterior: Glass: Mineral glass Band attachment possible size: 145～215mm Watch function: World time: 38 world cities Stopwatch Timer Alarm: 4 time alarms (with snooze function) Light: LED backlight Light color: LED: White Calendar: Full auto-calendar Operation sound ON/OFF switching function Power saving function: Power saving function Accuracy: *If not linked with a smartphone, it operates with normal quartz accuracy (average monthly difference ±15 seconds). ● The included battery is for monitoring purposes. ● Please replace the battery at your own expense when it runs out. ● We do not offer band adjustment. ● Please have it done at a nearby watch store. ● New, warranty card, box, instruction manual (overseas Japanese copy) included.