Casio G-shock GMD-B800-4DR Digital Rubber Strap Watch

Case / bezel material: Resin
Resin Band
Shock Resistant
Mineral Glass
200-meter water resistance
LED backlight (Super Illuminator)
Auto light switch, 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)
Step Count Graph: Hourly step count for the past 7 hours on a 6-level graph
Step indicator
Power Saving: Auto sensor sleep state entry after fixed period of non-activity
Dual time (Home time swapping)
1/100-second stopwatch
Countdown timer
Timer for interval measurement (up to five time settings)
Measuring unit: 1 second
Input range: 00'00'' to 60'00'' (1-second increments)
Others: Auto-repeat (number of repeats settable from 1 to 20), auto-start
5 daily alarms
Hourly time signal
Full auto-calendar (to year 2099)
12/24-hour format
Button operation tone on/off
Regular timekeeping: Hour, minute, second, pm, year, month, date, day
Accuracy: ±15 seconds per month (with no mobile link function)
Battery: CR2025
Size of case : 50.7×45.2×15.5mm
Total weight : 52g