F-91WM-7ADF

Movement
Quartz

Power supply and battery life
Approx. battery life: 7 years on CR2016

Case size (L× W× H)
38.2 × 35.2 × 8.5 mm

Weight
21 g

Case and bezel material
Resin

Band
Resin Band

Water resistance
Water Resistant

Stopwatch
1/100-second stopwatch
Measuring capacity: 59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times

Alarm/hourly time signal
Daily alarm
Hourly time signal

Light
LED light

Calendar
Auto-calendar (set at 28 days for February)

Accuracy
Accuracy: ±30 seconds per month

Other features
12/24-hour format
Regular timekeeping:
Hour, minute, second, pm, date, day