F-91WB-1A

A classic favorite for decades, the slim and lightweight F-91 now comes with a sleek minimalist design, fewer mode indicators, and more sustainable materials. The band is crafted from bio-based resin, designed to minimize environmental impact. Featuring a date/day display, alarm, stopwatch, and other practical functions, this watch is always ready to keep up with your day.

Basic Information

• 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
  

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