Battery Life / Accuracy
Approximately 10 years (+/-30 seconds per month)
 
Crystal
Mineral crystal
 
Light
Electro-luminescent backlight (selectable illumination duration, afterglow)
 
Case & Band Material
Resin case with resin band
 
Water Resistance
200m
 
Case Size
Thickness: 14.5 mm
Diameter: 44.0 mm
Length: 49.3 mm

Other Specifications
Shock resistant
Flash alert
World time (29 time zones)
Tide graph
Moon data
1/100-second stopwatch
Countdown timer
3 multi alarms
Hourly time signal
Full auto-calendar (to year 2099)
12/24-hour format
Button operation tone on/off
Regular timekeeping (analog-digital display)