CASIO Watches

Black Digital Watch F-91WM-1BDF

Information:

• 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

• Power supply and battery life

  Approx. battery life: 7 years on CR2016

Exterior

• Glass

  Resin Glass

Watch Features

• 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