Casio General F-91WB-1A Black Bio-Based Resin Band Men Watch / Women Watch / Youth Watch

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: ±30 seconds per month

• Other features:

  12/24-hour format

  Regular timekeeping:

  Hour, minute, second, pm, date, day