Casio F-91W digital watch

Image: Ashley Pomeroy, Wikimedia Commons · License

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1980s · electronics

Casio F91W Watch

The digital watch every kid wanted — stopwatch, alarm, and a battery that outlasted the watch itself. Still made today almost exactly the same way.

Era
80s
Released
Unknown
Category
electronics
Availability checked
7/24/2026

The pitch

The digital watch that never left production — stopwatch, alarm, and a battery that outlasts most modern gadgets. Same design since 1989.

Why people remember it

  • Every kid had one, usually set to the wrong time zone.
  • The alarm beep was somehow always too loud in class.
  • It survived pools, playgrounds, and being sat on.

Did you know?

  • Casio has sold millions of F-91W units per year for decades.
  • It first went on sale in 1989 and is still in production today with almost no design changes.

How people search for it

“black digital watch”, “casio calculator watch look”, “the beeping alarm watch”

Tags

Questions people ask

Is this the original 1989 design?
Yes — the F-91W has been made almost unchanged since its 1989 release.