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  • Casio F91W-1 Classic Resin Digital Watch Casio F91W-1 Classic Resin Digital Watch
  • Casio F91W-1 Classic Resin Digital Watch Casio F91W-1 Classic Resin Digital Watch
  • Casio F91W-1 Classic Resin Digital Watch Casio F91W-1 Classic Resin Digital Watch

Casio F91W-1 Classic Resin Digital Watch

Quick Overview

A great value timepiece for the the outdoor enthusiast. The Casio F91W-1 watch offers fantastic features typical of Casio housed in a durable resin case. Use a black resin band that secures to the wrist with a buckle clasp. A digital dial offers a wide variety of features including:

  • A light
  • Alarm
  • Stop watch
  • Timer
  • Water-resistant


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The F-91W has a ​1⁄100th second stopwatch with a range up to 59:59.99. Split (lap) and net time are also featured. Default options include hourly time alert and single daily alarm sounding for 20 seconds. Features automatic calendar, does not allow for auto-adjustment for leap years, the F-91W watch does not record the year. February is always 28 days. The F-91W watch features a faint, green LED back-light at the left of the display for easy illumination. The Casio F91W-1 watch is powered by a single CR2016 3-volt lithium button cell. The watch case measures 37.5 by 33.5 by 8.5 mm (1.48 by 1.32 by 0.33 inches) and weighs 21 grams (0.74 oz). Casio's module number for this model (593) is stamped on the stainless steel rear of the watch case. The strap is 18mm at the fitting and 22mm across the widest part of the lugs.

Box Contains:
Casio F-91W watch
Instruction manual


What size is the Casio F91W-1 Classic Watch?

Strap length allows for 12 sizes and ranges from 5.5 to 8.5 inches (14cm to 21.6cm). The face is 7.6 x 7.6 x 10.2 cm.


Who is the Casio F91W-1 Classic Watch for?

Women & Men can benefit from the build quality & functionality of the F91W-1 Classic. The watch face is medium sized so will not look out of place on either Men or Women.


How accurate is the in the Casio F91W-1 Classic Watch?

The Casio F91W-1 is really accurate for the price, the quartz movement is reported to be accurate to ±30 seconds per month by Casio.


Is the Casio F91W-1 Classic Watch waterproof?

No, the Casio F91W-1 is 'water resistant' the ISO standard is defined as "Suitable for everyday use. Splash/rain resistant. NOT suitable for showering, bathing, swimming, snorkeling, water related work and fishing".


How long will Casio F91W-1 Classic Watch last?

The F91W-1 battery will last 10 years, the watch body generally outlives the battery. The strap can be easily replaced.


Where can I find the Casio F91W-1 Classic Watch Instructions?

Download the Casio F91W-1 Classic Watch.

Standard & Tracked Delivery

We offer a standard free* delivery method to the UK that takes between 2-5 days.
All orders over £35 go tracked.


Don't want to wait? We offer an Express delivery method which takes 1-2 working days. Express service is free for orders over £100


*Items over 1kg in weight are subject to a surcharge

3 responses over the past year
  • Good cheap watch for outdoor work use


  • Très bien 🤩 contente pur me commander chez onogo


  • Preis/Leistung hervorragend und top Lieferzeit


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