A500WGA-1D

Battery Life / Accuracy
Approximately 3 years (+/-30 seconds per month)

Crystal
Resin glass

Light
LED backlight (selectable illumination duration, afterglow)

Case & Band Material
Resin case with metal band (slide clasp)

Water Resistance
Splash resistant

Case Size
Thickness: 9.6 mm
Diameter: 34.0 mm
Length: 39.0 mm

Other Specifications
Multi time (4 different cities)
World time (31 time zones)
1/100-second stopwatch
Countdown timer
5 daily alarms
Hourly time signal
Full auto-calendar (to year 2099)
Button operation tone on/off
12/24-hour format
Regular timekeeping (digital display)