Casio F-91W Digital Watch with Resin Strap

4.5 out of 5 stars 2,665 customer reviews
| 14 answered questions

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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

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£6.99 & FREE Delivery in the UK on orders over £20. Details In stock. Dispatched from and sold by Amazon. Gift-wrap available.

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Colour Name: Black

Product Specifications

Watch Information
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 Black
Calendar Day - Date
Special Features Alarm, Stop Watch, Back Light
Weight 23 Grams
Movement Quartz
Warranty Type Manufacturer
Warranty Description 2 Years Manufacturers Warranty

Product details

Colour Name: Black
  • Product Dimensions: 17 x 2.4 x 11 cm ; 23 g
  • Boxed-product Weight: 82 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-1XY
  • ASIN: B000J34HN4
  • Date first available at Amazon.co.uk: 27 Sept. 2006
  • Average Customer Review: 4.5 out of 5 stars  See all reviews (2,665 customer reviews)
  • Amazon Bestsellers Rank: 1 in Watches (See Top 100 in Watches)
  • Click here for information about recycling electrical and electronic products

Product Description

Product Description

All the qualities associated with Casio timepieces are demonstrated in this digital timepiece. Features include daily alarm and a 1/100 second stopwatch.

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.

See all Product Description

From the Manufacturer



Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

219 of 223 people found the following review helpful By supersabre on 8 Feb. 2012
Colour Name: Black
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!).
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666 of 689 people found the following review helpful By NS Pritchard on 19 Jun. 2009
Colour Name: Black
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.
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87 of 91 people found the following review helpful By Josh on 6 May 2011
Colour Name: Green Verified Purchase
Fantastic, nice sized, good priced, great looking watch and very practical too, simple yet with a lot of the features that more expensive watches sometimes miss out. Love the colour, very bright and light, though the original photo shows the watch as being a much duller green than it actually is, and so I've posted some of my own photos much closer to the actual colour - be sure to take a look :-)
The wrist strap is comfortable and unlike fabric or leather wrist straps I don't need to worry about it being weakened when it gets wet, it's a good size and weight for me, it doesn't get in the way, it's not a bulky watch, but I also feel it's very well made. It's not a watch for every occasion or every person, it's a well priced, bright, colourful and casual watch that does it's job superbly - telling time and date, lighting up, being water resistant, stop watch, the option of an hourly time signal, and a (singular) simple alarm, no snooze button but very useful none the less.

Thumbs up from me :-D
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11 of 11 people found the following review helpful By Bek on 11 April 2013
Colour Name: Pink
I love the watch, it tells the time and looks pretty so 5 stars from me. As with this style of casio watch it tells the time, date, beeps on the hour, stopwatch, has a built in alarm and a light. I paid £9.99 from a high street/online store that also begins with an A, its over priced on here! This style of watch has many years of reputation therefore I expect it to last quite well :-).
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10 of 10 people found the following review helpful By B. Epstein on 17 April 2013
Colour Name: Beige Verified Purchase
Love it. Beautiful 80s retro "Star Wars" colour. Looks like the watch that Han Solo almost certainly would have chosen when in Hoth Battle Gear at the start of The Empire Strikes Back. And I reckon it might well have survived the bitter weather conditions and tough battle action. Proper genuine Casio, quality.
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149 of 165 people found the following review helpful By Chris M. on 7 Jan. 2008
Colour Name: Black 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!
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155 of 173 people found the following review helpful By James Norris on 30 April 2007
Colour Name: Black
Talk about style... this timepiece has it all. My parents gave me my first F91 as a schoolboy but I never fully appreciated its unique blend of under-rated retro style and charming character. My timepiece acquired legendary iconic status amongst my schoolfriends after surviving multiple attempts to destroy it.

During one notable double chemistry lesson we managed to take off the screen using pencil-sharpener blades, we then stabbed the display with our compasses before setting the watch on fire over a bunsen burner.

To my amazement the F91 continued to function as normal.

I now consider my F91 or Freddie as he likes to be known, to be my best friend.
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2 of 2 people found the following review helpful By Amazon Customer on 6 Nov. 2015
Colour Name: Black Verified Purchase
use this watch everyday in the gym, work, uni and other activities. scratch resistant, comfortable, easy to use. indestructible!
My co-worker thought he was absolutely hilarious and the Archbishop of Banterbury, and decided to throw the watch into an industrial dishwasher. 80 degree heat and chemicals spewing at it for 5 long minutes. after long anticipation, the watch came out clean, hot AND WORKING. shut him up good and proper. if you have any manliness in you, you would buy this product without hesitation. this watch will make you finish all that long promised DIY work your missus keeps barking on about. it will also make you think straight leg jeans and a matalan checkered shirt is fashionable at weddings, birthdays and christenings. Once tied around your bulky wrist thatched with arm hair, you will immediately want to whip down the local for half a lager with old John and Bill talking about the rail strikes. If you are seeking birth control, this watch is not for you. with every handshake, with every eye contact, each woman will fertilise, and each offspring will be called Casio F-91W.

All the best fellow men of the world.
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