 
      Description of Casio G-Shock GBD-800SF-1DR / GBD-800SF-1DR
GAP Official Warranty 2 Years, Smart Card Warrant
Case / bezel material: Resin
Resin Band
Shock Resistant
Mineral Glass
Water resistance 200 meters
LED backlight (Super Illuminator)
Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow
Mobile link (Connect wirelessly using Bluetooth®
Step count using 3-axis acceleration sensor: Step count display range from 0 to 999,999
Step Target Progress Display (step count target setting range: 1000 to 50000, 1000 step increments)
Step Count Graph: Hourly step count for the last 7 hours with a 6-level graph
Step indicator
Power Saving: The sensor automatically enters a sleep state after a certain period of inactivity
Dual time (Default time switching)
1/100 second stopwatch
Measuring capacity:
00'00''00~59'59''99 (for the first 60 minutes)
1:00'00~23:59'59 (after 60 minutes)
Units of measurement:
1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
Stored data: Up to 200 records (measurement of the month, start date, number of laps/splits)
Target Time Alarm up to 10 Target Time settings
Countdown timer
Timer for interval measurement (up to five time settings)
Unit of measurement: 1 second
Input range: 00'00" to 60'00" (1 second increments)
Others: Auto repeat (settable number of repeats from 1 to 20), Auto Start
5 daily alarms
Hourly time signal
Fully auto-calendar (to year 2099)
12/24 hour format
Operation button sound on/off
Regular timekeeping: Hour, minute, second, pm, year month, date, day
Accuracy: ±15 seconds per month (without mobile link function)
Estimated battery life: 3 years on CR2025