---
product_id: 278359061
title: "Casio F91W Series | Digital Watch | Water Resistant | LED Light | 1/100 SEC Stopwatch | Regular Time Keeping (HR, Min, SEC, PM, Date, Day) | Daily Alarm | Lightweight | 7 Year Battery"
brand: "casio"
price: "$68.09"
currency: USD
in_stock: true
reviews_count: 5
url: https://www.desertcart.us/products/278359061-casio-f91w-series-digital-watch-water-resistant-led-light-1
store_origin: US
region: United States of America
---

# 30M Water Resistant 7-Year Battery Life 1/100 SEC Stopwatch Precision Casio F91W Series | Digital Watch | Water Resistant | LED Light | 1/100 SEC Stopwatch | Regular Time Keeping (HR, Min, SEC, PM, Date, Day) | Daily Alarm | Lightweight | 7 Year Battery

**Brand:** casio
**Price:** $68.09
**Availability:** ✅ In Stock

## Summary

> ⌚ Own the classic that keeps up with your fast-paced life!

## Quick Answers

- **What is this?** Casio F91W Series | Digital Watch | Water Resistant | LED Light | 1/100 SEC Stopwatch | Regular Time Keeping (HR, Min, SEC, PM, Date, Day) | Daily Alarm | Lightweight | 7 Year Battery by casio
- **How much does it cost?** $68.09 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/278359061-casio-f91w-series-digital-watch-water-resistant-led-light-1)

## Best For

- casio enthusiasts

## Why This Product

- Trusted casio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Enduring Power:** Unmatched 7-year battery life means less hassle, more hustle.
- • **Lightweight Comfort:** Barely there 0.17 lbs design keeps you moving without distraction.
- • **Timeless Durability:** Crafted with shock and scratch-resistant resin for everyday resilience.
- • **Visibility On Demand:** LED backlight ensures you never miss a beat, day or night.
- • **Effortless Time Management:** Stay punctual with daily alarms, hourly signals, and a clear digital calendar.

## Overview

The Casio F91W-1 is a minimalist digital watch featuring a durable resin case and strap, 30-meter water resistance, a precise 1/100 second stopwatch, LED backlight, daily alarm, and an impressive 7-year battery life—perfect for professionals who demand reliability and style in one sleek package.

## Description

Buy Casio F91W-1 Classic Resin Strap Digital Sport Watch, Clear Blue, Quartz Watch online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: Magnifique
Review: Great quality. It reminds me of the one i had as a kid. My 6 year old lives it. Easy to understand and use

## Features

- Water Resistant, LED light
- Stopwatch, Daily alarm, Hourly time signal
- Calendar, 12/24-hour format
- Approx. battery life: 7 years on CR2016
- Case diameter: 30.0 millimeters

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B086RQT2KC |
| ASIN  | B086RQT2KC |
| Additional Features | Alarm, Calendar, Light Up, Scratch-Resistant, Shock Resistant, Stop Watch, Water Resistant |
| Age Range Description | Adult |
| Band Color | Blue |
| Band Material Type | Plastic |
| Band Width | 20 Millimeters |
| Bands | 1 |
| Batteries  | 1 Product Specific batteries required. (included) |
| Best Sellers Rank | #5,187 in Fashion ( See Top 100 in Fashion ) #111 in Men's Wrist Watches #423 in Women's Wrist Watches |
| Brand Name | Casio |
| Case Diameter | 30 Millimeters |
| Case Material Type | Resin |
| Case Thickness | 8 Millimeters |
| Character | no subject character |
| Clasp Type | Tang Buckle |
| Closure Type | Buckle |
| Crystal | Sapphire Crystal |
| Customer Reviews | 4.7 4.7 out of 5 stars (6,047) |
| Customer reviews | 4.7 4.7 out of 5 stars (6,047) |
| Date First Available  | 30 May 2020 |
| Department  | Unisex |
| Dial Color | Blue |
| Display | Digital |
| Embellishment Feature | Stud |
| Face Style | Minimalist |
| Included Components | Blue Skeleton Resin Band |
| Is Discontinued By Manufacturer  | No |
| Item Type Name | Watch |
| Item Weight | 0.17 Pounds |
| Item model number  | F-91WS-2CF |
| Manufacturer | Casio |
| Manufacturer  | Casio |
| Manufacturer Part Number | F-91WS-2CF |
| Model Name | F-91WS-2CF |
| Model Number | F-91WS-2CF |
| Pattern | Solid |
| Power Source | Battery Powered |
| Product Dimensions  | 15.24 x 15.24 x 10.16 cm; 77.11 g |
| Shape | Square |
| Sport Type | Walking |
| Strap Type | Resin Strap |
| Style Name | Quartz Watch |
| Theme | Sports |
| UPC | 889232261041 |
| Watch Movement Type | Quartz |
| Water Resistance Depth | 30 Meters |
| Water Resistance Level | Water Resistant |

## Images

![Casio F91W Series | Digital Watch | Water Resistant | LED Light | 1/100 SEC Stopwatch | Regular Time Keeping (HR, Min, SEC, PM, Date, Day) | Daily Alarm | Lightweight | 7 Year Battery - Image 1](https://m.media-amazon.com/images/I/61Jw4wvf4oL.jpg)
![Casio F91W Series | Digital Watch | Water Resistant | LED Light | 1/100 SEC Stopwatch | Regular Time Keeping (HR, Min, SEC, PM, Date, Day) | Daily Alarm | Lightweight | 7 Year Battery - Image 2](https://m.media-amazon.com/images/I/81q+aIdztVL.jpg)
![Casio F91W Series | Digital Watch | Water Resistant | LED Light | 1/100 SEC Stopwatch | Regular Time Keeping (HR, Min, SEC, PM, Date, Day) | Daily Alarm | Lightweight | 7 Year Battery - Image 3](https://m.media-amazon.com/images/I/71vEYLcNG6L.jpg)
![Casio F91W Series | Digital Watch | Water Resistant | LED Light | 1/100 SEC Stopwatch | Regular Time Keeping (HR, Min, SEC, PM, Date, Day) | Daily Alarm | Lightweight | 7 Year Battery - Image 4](https://m.media-amazon.com/images/I/91PxmFqzg9L.jpg)
![Casio F91W Series | Digital Watch | Water Resistant | LED Light | 1/100 SEC Stopwatch | Regular Time Keeping (HR, Min, SEC, PM, Date, Day) | Daily Alarm | Lightweight | 7 Year Battery - Image 5](https://m.media-amazon.com/images/I/81wi3kkP2ZL.jpg)

## Available Options

This product comes in different **Color, Style** options.

## Questions & Answers

**Q: How are they charging $10 for this $3 watch from 1990?**
A: Anything that was $3 in 1990 is now $10.  Back in 1990 gas was $1.16/gal.  The average home price was under $150000.  As time moves on prices go up.

**Q: Does the count down timer be set to seconds?**
A: No countdown timer. Look at Model F201WA-1A for that feature.

**Q: how far in depth is the water resist**
A: If you want to be absolutely safe, get the Casio MRW200 dive watch which is good for 100 m.
Casio F91W is water resistant and you could take it in shower, swimming, etc.

**Q: The rubber band broke after 2 years of use. I love this watch and don't want to get a new one. Any tips for a replacement band? Maybe a nylone one?**
A: Aliexpress or ebay you'll find almost exact generic replacements for a couple bucks shipped. Search for words like F91W strap, 18mm watch band. You can also use normal 18mm spring bars instead of the pins that are stock with the F91W.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***A on 13 January 2026*

Magnifique

### ⭐⭐⭐⭐⭐ Review
*by M***O on 21 April 2026*

Great quality. It reminds me of the one i had as a kid. My 6 year old lives it. Easy to understand and use

### ⭐⭐⭐⭐⭐ Review
*by N***O on 7 January 2026*

Die Uhr war gut verpackt und wurde schnell geliefert. Seit mehreren Jahren trage ich das schlichte Casio Modell ohne mir bekannte Mängel. Sie ist robust, sieht gut aus und man trägt sie wirklich angenehm. Preis-Leistungsverhältnis für die gewohnte Casio Qualität ist schwer in Ordnung. Ich würde die Uhr jederzeit wieder bestellen.

## Frequently Bought Together

- Casio F91W Series | Digital Watch | Water Resistant | LED Light | 1/100 SEC Stopwatch | Regular Time Keeping (HR, Min, SEC, PM, Date, Day) | Daily Alarm | Lightweight | 7 Year Battery
- Casio AE1200WH Series | Men’s Digital Watch | 100M WR | Multi Alarms | 100 SEC Stopwatch | Countdown Timer | World Map for World Time | LED Light | LC Analog Display | 10 Year Battery
- Casio Men's Vintage A168WA-1 Electro Luminescence Watch

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-14*