Dimensions (L × W × H). More information about Dimensions (L × W × H). 48.4 × 45.9 × 15 mm. Weight. More information about Weight. 58 g. Case and bezel material. Resin. Band. Resin band. Structure. Shock resistant. Water resistance. Water resistance up to a depth of 20 bar. Time adjustment. Bluetooth: Connects to a smartphone and automatically adjusts the time. Power supply and battery life. Approximate battery life: 2 years on CR2032. Sensor function. Training function. Display of distance, speed, pace, and other values calculated based on the accelerometer, auto/manual lap times, auto pause, target alert setting on/off (time and calories burned), training display customization (elapsed time, distance, pace, lap time, lap distance, lap pace, average pace, speed, average speed, and calories burned). Smartphone Link / App Connectivity. Smartphone Link function. Mobile Link (automatic connection and wireless connection via Bluetooth®). Apps. CASIO WATCHES. App connectivity function. Automatic time adjustment. Easy watch setting. World time of approximately 300 cities. Notification function (incoming calls, incoming emails, new social media posts, calendar notifications, reminders). Activity history. Life log data management. Distance correction with smartphone GPS. Phone finder. Exterior. Glass. Mineral glass. Compatible band size. 145 to 215 mm. Watch functions. World time. World time. 38 time zones (38 cities + coordinated universal time), daylight saving on/off, automatic daylight saving time (DST) switching. Can be updated when connected to a smartphone. Stopwatch. 1-second stopwatch. Measuring capacity: 99:59´59´´. Measurement modes: Elapsed time and split times. Timer. Countdown timer. Timer for interval measurements (up to five time settings). Measuring unit: 1 second. Input range: From 00´00´´ to 60´00´´ (1-second increments). Other: Auto-repeat . Alarm / hourly time signal. 4 daily alarms with snooze. Illumination. LED backlight (Super illuminator). Auto light switch, selectable illumination duration (1.5 or 3 seconds) and brightness. Light color. LED: white. Calendar. Full auto-calendar (up to the year 2099). Mute function. Button operation tone on/off. Power saving function. Power saving (display goes blank to save power 3 hours a day). Accuracy. Accuracy: ±15 seconds per month (without Mobile Link function). Other options. 12/24-hour format. Airplane mode. Regular timekeeping: Hour, minutes, seconds, a.m./p.m., month, date, day of the week. User profile creation. Vibration on/off. Sensor function details. Life log data. Display of daily data (step count) and monthly data (distance traveled). Training data (up to 100 runs and up to 140 lap times per run). Elapsed time, distance, pace, and calories burned