From G-Shock, this timepiece is the latest addition to their new Power Trainer sports lineup. The watch is designed with a 49.5mm green resin case and black dial. This timepiece links with the G-Shock Connected phone app to provide access to a number of functions that enhance workouts. Daily health and fitness support functions include a 3-axis accelerometer that keeps track of step counts, a Multi-Timer that lets you create up to 20 timer combinations of five timers each, memory for up to 200 lap records, and more. The app also makes it possible to maintain step count logs with five exercise intensity levels, to calculate the calories you burn, to specify a daily step target, and more. All these features combine to maximize your workouts and make them more effective. The watch is shock resistant, has a LED backlight, wireless linking using Bluetooth(R), stopwatch, countdown timer, 5 daily alarms, full auto-calendar, and is water resistant to 200 meters. The watch fits securely to your wrist with a green resin strap and buckle.49.5mm green resin caseBlack dialG-Shock Connected phone appStep counterShock resistantLED backlightWireless linking using Bluetooth(R)StopwatchCountdown timer5 daily alarmsFull auto-calendarWater resistant to 200 metersBrown resin strap with buckleCasio Style #: GBD800UC-3