The Casio Urban Utility GBD-200UU-1ER watch combines a square shaped case and soft black urethane band with a traditional buckle. It has a screen digital dial which is protected beneath a toughened mineral crystal glass. Power is generated by the quartz movement. Other features include alarm & auto light. This model also has a water resistance of up to 200 metres. Training function Display of distance, speed, pace, and other calculated values based on accelerometer, auto/manual lap times, Auto Pause, target alert setting (time, altitude, calories burned) on/off, training display customization (elapsed time, distance, pace, lap time, lap distance lap pace, average pace, speed, average speed, calories burned). 12/24-hour timekeeping Times can be displayed in either a 12-hour or 24-hour format. Accuracy +/- 15 seconds per month Alarm function Automatic calendar Once set, the automatic calendar always displays the correct date. Battery Life Approximately 2 years. Bluetooth