Casio Collection - F-91W-1YER

This classic Casio digital watch features a light, stopwatch, daily alarm and water resistance. It...

Best current price£15.99from Amazon

All Offers

5 offers from £15.99 - £33.76

View price history by clicking the chart icon.

AmazonCasio Unisex 37.00mm Quartz Watch with LCD Digital dial and Black Rubber Strap Strap F-91W-1XY
Free delivery in 1–3 days
£15.99
Visit shop
OnBuy.comCasio F-91W-1Yer Unisex Casual Digital Watch With Resin Strap - Black
Free delivery in 1–3 days
£19.84
Visit shop
First Class WatchesCasio F-91W-1XY F-91W-1YER F-91W Alarm Chronograph (35.2mm) Watch
Free delivery in 1–3 days
£19.90
Visit shop
eBayCasio Men's Digital Black Resin Strap Watch
£1.99 delivery
£19.95
Visit shop

Used Offers

2 offers from £9.99 - £10.80

View price history by clicking the chart icon.

eBayCasio F-91W Digital Watch Black Resin Strap Classic Alarm Stopwatch
£3.50 delivery
£9.99
Visit shop

Product Information

Full details

The Casio F-91W-1YER is a classic digital watch suitable for anyone needing a reliable and affordable timepiece. Its key benefit is its ease of use, durability, and a wide array of features including a stopwatch and alarm. However, it's resistant to minor splashing only, so it's not suitable for swimming. This guide provides detailed instructions on setup, usage, and care to help you get the most out of your Casio F-91W-1YER.

All features

SeriesCollection
Model Part NumberF-91W-1YER
BrandCASIO

Extended Product Information

FAQs

How do I change the battery?

The watch uses a CR2016 battery. It's recommended to have a professional replace the battery to avoid damaging the watch.

Is the watch waterproof?

The watch is water-resistant to minor splashing only. Avoid submerging it in water.

How do I use the light?

Press the Light button (usually the upper left button) to illuminate the watch face.

How do I set the date?

Press the Mode button until the time display appears. Hold the Adjust button until the settings begin to blink. Use the Mode button to cycle through the options and the Adjust button to change the values.

What is the warranty?

The watch comes with a 2-year manufacturer's warranty.

Can I adjust the strap?

Yes, the resin strap is adjustable to fit various wrist sizes.

How accurate is the timekeeping?

The Casio F-91W-1YER provides super accurate timekeeping.

Troubleshooting

Watch display is dim or unreadable.

Replace the battery. Ensure you are viewing the watch in an appropriate lighting environment.

Watch buttons are unresponsive.

Check if the buttons are physically stuck or blocked. If not, the battery may need replacing.

Alarm does not sound.

Ensure the alarm is turned on (check the indicator on the display) and that the time is set correctly.

Pros and Cons

Pros

  • Affordable price point
  • Durable and reliable
  • Easy to read display
  • Multiple functions (stopwatch, alarm, calendar)
  • Comfortable to wear

Cons

  • Water resistance limited to minor splashing
  • Resin strap may require adjustment for a perfect fit
  • Display may be difficult to read in direct sunlight

Setup, Compatibility & Care

  1. Setting the Time: Press the Mode button until you see the time. Hold the Adjust button until the seconds start to blink. Use the Mode and Adjust buttons to set the time, date, and year.
  2. Using the Stopwatch: Press the Mode button until you see the stopwatch. Press the Start/Stop button to start and stop the timer. Press the Reset button to reset the stopwatch.
  3. Setting the Alarm: Press the Mode button until you see the alarm. Hold the Adjust button until the hour digits flash. Use the Mode and Adjust buttons to set the alarm time. Press Adjust to confirm. Press the Start/Stop button to toggle the alarm on/off.
  4. Compatibility: The watch is compatible with all wrist sizes due to its adjustable strap.
  5. Care: Clean the watch with a soft, damp cloth. Avoid harsh chemicals or solvents. Do not expose the watch to extreme temperatures or prolonged sunlight.

Similar items

Price History

DatePrice
Visit shop