Battery Life / Accuracy
Approximately 2 years (+/-15 seconds per month)

Crystal
Mineral crystal

Light
Double LED backlight (super illuminator)

Case & Band Material
Carbon case with resin band

Water Resistance
200m

Case Size
Thickness: 19.3 mm
Diameter: 55.4 mm
Length: 53.1 mm

Other Specifications
Bluetooth smartphone link
Digital compass
Altimeter / barometer
Thermometer
Step-counter
Sunrise / sunset time display
World time
1/100-second stopwatch
Countdown timer
5 daily alarms
Hourly time signal
Full auto-calendar (to year 2099)