A favorite for decades — the slim, lightweight F-91 with digital LCD now with a minimalist face, fewer mode indicators, and more environmentally responsible materials. The band is made with bio-based resin, a material expected to help reduce environmental impact. Complete with date/day display, alarm, stopwatch and other handy functions, these watches are always at the ready.

Case size (L× W× H)

38.2 × 35.2 × 8.5 mm

Weight

21 g

Case and bezel material

Resin

Band

Bio-based resin band

Water resistance

Water Resistant

Power supply and battery life

Approx. battery life: 7 years on CR2016

Glass

Resin Glass

Compatible band size

145 to 200 mm

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

Light color

LED:Green

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

Basic Information

CASIO POP - F-91WB-8ADF

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