From the manufacturer:

GBD800-1 water resistant digital models features a multi-segment digital display to improve readability and operation while engaged in sports. The LCD is divided into upper, middle, and lower sections, and there is a digital dial in the upper right. Each display area shows different, measurement, timekeeping, and other information, which provides useful data about your daily activities. A metal front button and vapor deposition face add elegant colors for striking designs. Function wise, these watches link with the G-SHOCK Connected app to provide access to a number of functions that enhance your workouts. Daily health and fitness support functions include a 3-axis accelerometer that keeps track of your step count, a Multi-Timer that lets you create up to 20 timer combinations of five timers each memory for up to 200 lap records. The app also makes it possible to maintain step count logs with five exercises intensity levels, to calculate calories you burn.

• Shock Resistant
• 200M Water Resistant
• LED Backlight (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
• Mobile link (Wireless linking using Bluetooth®)
• Step count using a 3-axis acceleration sensor: 0 to 999,999 step count display range
• Step Goal Progress Display (step count goal setting range: 1,000 to 50,000,1,000-step increments)
• 5 Daily Alarms
• Hourly Time Signal
• 1/1000 Second Stopwatch Measuring capacity: 99:59’59.999″ Measuring modes: Elapsed time, lap time, split time Others: Speed (0-1998 units/hour), Selection distance input (0.0-99.9)
• Countdown Timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Other: Auto-repeat
• Module 3464