Brimming with emerald, green, this G-Shock GBA900SM-1A3 Vital Colour Series watch has style to match all the toughness and functionality you'd expect. With Bluetooth connectivity, this timepiece will meet all your timekeeping needs. A shock-resistant case and water resistance to 200m makes this perfect for swimming, sports, or rough outdoor activities. - 51.3×48.9×16.6mm Case Size - 61g Weight - Resin Band, Bezel - 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 - Double LED light *LED light for the face (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) *LED backlight for the digital display (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) - Calendar: Full auto-calendar (to year 2099) - Mute feature: Button operation tone on/off - Power Saving - 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