Combining all of G Shock??s known and loved features with smartphone capabilities, G-Shock??s GBA900-1A G-Squad Series is uncompromising in both its versatility and functionalities. With the ability to measure distance using an accelerometer via Bluetooth and the option to monitor activity history through G-Shock??s smartphone app, G-Shock CONNECTED, the G-Shock GBA900-1A G-Squad Series watch is for any individual who enjoys the rugged outdoors but also the power of technology. - 51.3 ?? 48.9 ?? 16.6mm Case Size - 61g Weight- Resin Band, Bezel and Case - Shock Resistant- 200 Meters Water Resistant - Approx. battery life: 2 years on CR2025- Calorie and distance calculations based on step count, Including basal metabolic rate- Daily data display: Step count, calorie, distance- Smartphone Link feature: Mobile link (Automatic connection, wireless linking using Bluetooth?)- Mineral Glass- World time: Dual time (Home city time swapping)- Stopwatch- Timer- Alarm/hourly time signal: 5 daily alarms- Hourly time signal- Double LED light- Calendar: Full auto-calendar (to year 2099)- Mute feature: Button operation tone on/off- Energy saving feature: Power Saving- Low battery alert- Accuracy: ??15 seconds per month (with no mobile link function)- 12/24-hour format- Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)- Airplane mode- Regular timekeeping: Hour, minute, second, am/pm, month, date, day- User profile creation