F-91WM-1B

38.2 × 35.2 × 8.5 mm

21 g

Resin

Resin Band

Water Resistant

Approx. battery life: 7 years on CR2016

Resin Glass

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

Daily alarm

Hourly time signal

LED light

LED:Green

Auto-calendar (set at 28 days for February)

Accuracy: ±30 seconds per month

12/24-hour format

Regular timekeeping: Hour, minute, second, pm, date, day