March 20, 2025.

The Casio F91W is more than just a watch; it’s an icon. Launched in 1989, this simple yet reliable timepiece has remained virtually unchanged for over three decades. Whether you’re a collector, a minimalist, or just someone looking for a dependable digital watch, the F91W continues to stand the test of time.

A Classic That Never Gets Old

In an era of smartwatches and advanced tech, it’s remarkable that a basic digital watch from the late 80s is still in production and selling in massive numbers. The Casio F91W’s enduring popularity comes down to three things: simplicity, durability, and affordability.

Design & Features

The F91W is compact, lightweight, and ultra-comfortable to wear. Its rectangular LCD display is easy to read, displaying the time, day, and date with a 24-hour format option. The watch has a single daily alarm, a 1/100-second stopwatch, and an hourly chime.

One of its most recognizable features is the LED backlight, which has a distinct green glow. While it’s not the brightest, it gets the job done in low-light situations.

Key Specifications

• Display: Digital LCD

• Functions: Time, day, date, alarm, stopwatch, hourly chime

• Backlight: Green LED

• Battery Life: Up to 7 years on a single CR2016 battery

• Water Resistance: Basic splash resistance (not for swimming)

• Size & Weight:38.2 × 35.2 × 8.5 mm, only 21g

Why the Casio F91W is Still Popular

1. Unmatched Reliability

The F91W is incredibly accurate (±30 seconds per month), and its long battery life means you won’t be changing it often. It’s a watch you can depend on for years.

2. Affordability

At a price point of around $10–$20, the F91W is one of the most budget-friendly watches on the market. Despite its low cost, it delivers outstanding value.

3. Nostalgia & Retro Appeal

For many, the F91W is a throwback to their childhood. It’s a watch that crosses generations, worn by students, workers, and even military personnel. Its retro design has also made it a favorite among those who love vintage aesthetics.

4. Minimalist & Functional

No complicated features, no unnecessary apps—just pure functionality. The F91W is perfect for those who prefer simplicity over high-tech distractions.

Who Should Wear the F91W?

• Students & Workers: A practical, no-fuss watch for daily use

• Athletes & Outdoor Enthusiasts: Lightweight and durable for sports or casual activities

• Watch Collectors: A must-have classic for any collection

• Minimalists: For those who prefer functionality over luxury

Final Thoughts

The Casio F91W is proof that good design never goes out of style. It’s a watch that’s affordable, reliable, and timeless. Whether you need a simple timepiece or want a piece of watch history on your wrist, the F91W is an unbeatable choice.

Do you own a Casio F91W? What’s your experience with it? Let us know in the comments!