F-91WC-4A

Battery Life / Accuracy
Approximately 7 years (+/-30 seconds per month)

Crystal
Resin glass

Light
LED backlight (green)

Case & Band Material
Resin case with resin band

Water Resistance
Splash resistant

Case Size
Thickness: 8.5 mm
Diameter: 35.2 mm
Length: 38.2 mm

Other Specifications
1/100-second stopwatch
Daily alarm
Hourly time signal
Auto-calendar (28 days for February)
12/24-hour format
Regular timekeeping (digital display)