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