Casio F-91W-1YER Men's Resin Digital Watch

4.6 out of 5 stars 2,887 customer reviews
| 48 answered questions

RRP: £17.50
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  • Includes alarm, stop watch and back light
  • Shatter-resistant acrylic window lens
  • Square high-performance and durable resin case with digital display
  • Durable and strong resin 15mm wide bracelet with buckle
  • Reliable quartz crystal movement technology for precise and accurate time keeping

Discover the Casio watch collections.
Visit the Casio watch store to explore G-Shock, Baby-G, Edifice & more. See more

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Product Specifications

Watch Information
Brand Name Casio
Model number F-91W-1YER
Part Number F-91W-1DG
Model Year 2013
Item Shape Square
Dial Window Material Type Acrylic
Display Type Digital
Clasp Type Buckle
Case Material plastica
Case Diameter 34 millimetres
Case Thickness 9 millimetres
Band Material Resin
Band Length Mens
Band Width 15 millimetres
Band Colour Black
Dial Colour Black
Calendar Day - Date
Special Features Alarm, Stop Watch, Back Light
Weight 68 Grams
Movement Quartz
Warranty Type Manufacturer
Warranty Description 2 Years Manufacturers Warranty

Product details

  • Product Dimensions: 17 x 2.4 x 11 cm ; 68 g
  • Boxed-product Weight: 100 g
  • Delivery Destinations: Visit the Delivery Destinations Help page to see where this item can be delivered.
    Find out more about our Delivery Rates and Returns Policy
  • Batteries 1 Lithium Metal batteries required. (included)
  • Item model number: F-91W-1YER
  • ASIN: B000J34HN4
  • Date first available at Amazon.co.uk: 27 Sept. 2006
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (2,887 customer reviews)
  • Amazon Bestsellers Rank: 1 in Watches (See Top 100 in Watches)

Product Description

Product Description

1/100th Stopwatch Daily alarm 12/24 hour format Auto-calendar. Brand Name     Casio Model number     F-91W-1XY Part Number     F-91W-1XY Model Year     2013 Item Shape     Square Dial Window Material Type     Acrylic Display Type     Digital Clasp Type     Buckle Case Material     Resin Case Diameter     33.2 millimetres Case Thickness     8.5 millimetres Band Material     Resin Band Length     Mens Band Width     15 millimetres Band Colour     Black Dial Colour     Grey Bezel Material     Resine Calendar     Day - Date Special Features     Alarm, Stop Watch, Back Light Movement     Quartz Water Pressure Resistance     30 bar Warranty Type     Manufacturer Warranty Description     2 Years Manufacturers Warranty

Manufacturer's Description

About Casio

Casio is one of the UK’s top five watch brands, with over one million watches purchased every year. Amongst it's portfolio are classic "toughness" brands G-Shock and Baby-G, motor-sport inspired chronograph range Edifice and the fashionista favourite retro collection of digital watches.

With recent advances in Bluetooth and Wave Ceptor technology, Casio continually pushes the boundaries of innovative timepiece design and functionality.

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From the Manufacturer


Customer Questions & Answers

Customer Reviews

Top Customer Reviews

As far a watch for work and activities goes, there is no superior to the Casio F-91W. It's virtually invincible. I'm in the UK forces and I, with countless others wear this watch as it's so reliable and does everything you could want. I've swam with it, dived with it, gone neck deep in mud with it, been in below freezing temperatures for days, got oil on it, scrambled on rocks, covered in grit, in salt water for prolonged periods and yet it still goes on!! The battery life is amazing as well. All my friends agree this is the watch to have. Others have had supposed 'rugged' watches which have broken in half the time. Sure, have a fancy watch for events and going out but this watch cannot be bettered for the working day. the only reason I'm on here buying another is because I lost it after years of it putting up with me. In the 1 in million chance that it does break (or more likely, you lose it) it's only £8.00 to replace. It's unbelievably good. The only thing that could be better is if you could keep the backlight on whilst changing the alarm time, which is a little annoying trying to set an alarm in the pitch black (but I just learnt the sequence of beeps after a while!).
3 Comments 317 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Cars break down, phones malfunction, computers get infected
but the F 91 soldiers on.

Cheap and ubiquitous. Everybody seems to have owned one.
Its "beep beep" woke thousands this morning.
It measured and guided their days all long.

It has a stopwatch, a light, an alarm:
This is what I need
and all I need from a digital watch.

In moderate climes the battery will last for seven years
(based on an alarm and one seconds' worth of light use per day).

I wish my life was so efficient and so certain.
I wish I was so dependable.
18 Comments 769 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Verified Purchase
I am a big watch lover. Over the years, I've been lucky enough to collect a handful of beautiful swiss-made timepieces. I've now started to buy and review some of the most popular, most affordable (under £20) watches on Amazon.

I'd like to share with you my personal thoughts on the 'Casio F-91W Digital Watch with Resin Strap'.

DELIVERY
Excellent. The watch was delivered very fast via Amazon Prime.

PACKAGING
OK. The box arrived a bit squashed. Nothing too dramatic, but worth noting. The content was in perfect condition.

CONTENT
The following items were included in the box: the watch on a stand (well-wrapped in plastic).

DESIGN
If, just like me, you are used to substantial watches, you will find the watch very very light and thin. The case measures roughly 1.2 inches / 3 centimers, and you will find three actionable buttons (2 on the left, 1 on the right handside). It's rather small, so I wouldn't recommend it for people with larger wrists.

The strap is made of plastic: it's both very thin and surprisingly comfortable, even after a long day.

Once again, Casio demonstrates how experienced the company is to produce high volumes of very well-made, well-priced entry-level watches.
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5 Comments 76 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Verified Purchase
I've been buying Casio F91's for about 15 years. It's the classic 'cheap Casio digital watch' and does exactly what it says on the tin. Makes me laugh that it has acquired 'iconic' or 'retro design' status - goes to show that if you keep something long enough it comes back into fashion! Word of warning though - maybe I'm a bit rough with my F91's, but I usually find the strap breaks after about 3 years of use, so sadly (for me at least) this watch comes with free built-in obsolescence!
20 Comments 155 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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By Picard TOP 500 REVIEWERVINE VOICE on 21 Jan. 2013
Casio's were, for lack of better wording, "the dog bits" when I was younger. That seems completely bonkers on reflection, but during a time when you had to be lucky to own a GameBoy, the next best thing was to wear a digital watch that you could imagine to house an array of spy-like gizmos. They also annoyed our teachers because pressing the buttons was far more interesting than reciting what you did that weekend.

Now that I no longer feel the shame for wanting a Casio F-91, I found to my surprise that they're still being made. And it doesn't look as though they've changed a bit; even the packaging is exactly the same.

This is a watch that takes pride in being, from a technological view, inferior. It doesn't have all the features that you would expect from a modern digital counterpart (that may also cost you ten times more than this Casio), but then you come to realise that 99% of those features are only appealing to yuppies and that strange man from Channel 5's The Gadget Show.

The three modes you can switch between are the date and time, stopwatch, and alarm. It takes a while to remember which button is used to 'edit' and which is 'confirm', but it soon becomes second nature. I can't tell you how handy these modes have come in handy - the hourly chime is literally an essential feature for my work rota, and the stopwatch is excellent for when you go out running and, again, at work (especially when it takes you about ten-times longer just to open the app your smartphone).

The third button activates a green glow that wouldn't look out of place in a nuclear power plant. The touted 'illumination' is that bad that it's almost comical, but is a god send for standing at a bus stop at night. Sometimes I like to press the buttons and hear the iconic BEEP sound.
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