Casio F91W Digital Watch
About this product
The Casio F91W Digital Watch is a small, light, no-frills digital watch that has been sold in almost unchanged form for decades. It suits anyone who wants a cheap, reliable timekeeper for work, travel, sport or as a backup, and people who simply like its retro look.
How much does the Casio F91W Digital Watch cost?
When we last checked in October 2026, the Casio F91W Digital Watch was typically selling for about $15 – $25 in the US. That is an approximate range, not a quote: the retailer changes prices often, and colour, size or storage options can move it up or down. Use the Buy Now button to see the exact price today before you decide.
Key features
- Digital display: shows time, day and date at a glance, with 12 or 24-hour format.
- 1/100-second stopwatch: with split-time measurement for basic timing.
- Daily alarm and hourly signal: one alarm plus an optional beep on the hour.
- Auto calendar: keeps track of the date once set, with February fixed at 28 days.
- LED light: a small side light to read the display in the dark.
- Long battery life: Casio rates the battery at approximately seven years.
- Resin case and strap: very light on the wrist and comfortable for small and large wrists alike.
Who should buy it
Buy the F91W if you want a watch you never have to think about. It is thin enough to slide under a shirt cuff, light enough to forget you are wearing it, and inexpensive enough that scratches do not matter. It is a favourite for travel, festivals, manual work and children’s first watches.
It is a basic digital watch, and that is the point. There are no smart features: no step counting, notifications, GPS or automatic time setting. The light is dim and illuminates the display from one side only. The alarm is quiet. Casio marks the watch as water resistant, which covers rain and hand washing, but it carries no depth rating for swimming or diving. The resin strap can turn brittle and crack after some years, though replacements are easy to find.
What to check before you buy
- Exact model: the F91W comes in several colour variants with different suffixes. Make sure the photo and model code match the one you want.
- Case size: this is a small watch. If you prefer a large face, check the dimensions on the listing first.
- Strap fit: the resin band has many holes and fits most wrists, but very large wrists should check the length.
- Box contents: packaging and paperwork may vary by listing and region.
- Seller: buy from a reputable seller to be confident you are getting a genuine Casio.
Before ordering, confirm the current price, model and colour on the retailer’s page.
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