Casio Collection - F-91W-1YER

Name: Casio Collection - F-91W-1YER
Brand: CASIO
SKU: x64lpfctmh
Availability: InStock

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

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Casio F-91W Digital Watch Black Resin Strap Alarm Stopwatch LED - F-91W-1YER

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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

Series	Collection
Model Part Number	F-91W-1YER
Brand	CASIO

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

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.
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.
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.
Compatibility: The watch is compatible with all wrist sizes due to its adjustable strap.
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.