---
product_id: 343516952
title: "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: "28573CFA"
currency: XOF
in_stock: true
reviews_count: 7
url: https://www.desertcart.sn/products/343516952-f91w-series-digital-watch-water-resistant-led-light-1-100
store_origin: SN
region: Senegal
---

# 30M water resistant 7-year battery life 1/100 sec stopwatch 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:** 28573CFA
**Availability:** ✅ In Stock

## Summary

> ⏳ Timeless tech meets everyday hustle — never miss a second!

## Quick Answers

- **What is this?** 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?** 28573CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/343516952-f91w-series-digital-watch-water-resistant-led-light-1-100)

## 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

- • **Lightweight & Sleek:** Slim 33mm stainless steel case with a comfortable resin strap for all-day wear.
- • **Everyday Water Defense:** Splash-proof design keeps pace with your active lifestyle without missing a beat.
- • **Night-Ready Visibility:** Built-in LED light lets you check the time anytime, anywhere—even in the dark.
- • **Endurance Battery Power:** 7-year battery ensures you stay on time without constant replacements.
- • **Precision Timing Mastery:** 1/100 second stopwatch with split and lap times for flawless time tracking.

## Overview

The Casio F91W Series digital watch combines classic quartz precision with modern convenience, featuring a 30-meter water resistance rating, a 1/100 second stopwatch, daily alarm, and a 7-year battery life. Its lightweight resin strap and compact 33mm stainless steel case make it a versatile, reliable companion for professionals who value both style and function.

## Description

Product Description Casio Values "Necessity is not the mother of invention, invention is the mother of necessity." These are the words of one of Casio's founders. The people who created Casio were determined to 'invent necessity'- to create products that met latent needs with groundbreaking capabilities no one had ever seen before. Ever since, Casio has been doing just that, bringing new discovery and delight to people around the world. This is Casio's way of building an even more prosperous, richly rewarding world. Key Features 30 Meter (100 Feet) Water Resistant Suitable for everyday use. Will withstand accidental splashes but not suitable for swimming. Daily Alarm 1/100 Second Stopwatch Casio Accuracy and Reliability

Review: Best quality - Classic one ❤️
Review: Good service and quality product - Lovely item

## Features

- Water resistant, not water proof, do not submerge in water, digital sport watch in rectangle case, alarm, chronograph functions, and night light, quartz movement with digital display
- Measuring modes include net time, split time, and first and second place times, functions include digital stopwatch, hourly time signal, auto calendar, and day/date.
- Quartz Movement
- Case Diameter: 33mm
- Water Resistant

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01N7XKNSX |
| Additional Features | Chronometer, Alarm, Lightweight |
| Age Range Description | unisex |
| Band Color | Noir |
| Band Length | 8.75 Inches |
| Band Material Type | Resin |
| Band Width | 18 Millimeters |
| Bands | 1 |
| Best Sellers Rank | #13,766 in Fashion ( See Top 100 in Fashion ) #436 in Men's Wrist Watches |
| Brand Name | Casio |
| Case Diameter | 33 Millimeters |
| Case Material Type | Stainless Steel |
| Case Thickness | 35.2 Millimeters |
| Character | no subject character |
| Clasp Type | Buckle |
| Closure Type | Buckle |
| Crystal | Acrylic |
| Customer Reviews | 4.6 out of 5 stars 2,105 Reviews |
| Dial Color | Grey |
| Display | Digital |
| Embellishment Feature | Crystal |
| Face Style | Square Digital Display |
| Included Components | Quartz Movement, Resin Band, Brand's Case |
| Item Type Name | Watch |
| Item Weight | 0.09 Kilograms |
| Manufacturer | Casio |
| Manufacturer Part Number | F-91WM-7ADF |
| Material | Resin |
| Model Name | F-91WM-7ACF |
| Model Number | F-91WM-7ACF |
| Pattern | Solid |
| Power Source | Battery Powered |
| Series Number | 91 |
| Shape | Rectangular |
| Sport Type | Walking |
| Strap Type | Resin Strap |
| Style Name | Sport |
| Theme | Sports |
| UPC | 889232140780 |
| Unit Count | 1 Count |
| Watch Movement Type | Quartz |
| Water Resistance Level | Water Resistant |

## Images

![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/61jVRs9rmwL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best quality
*by M***D on 6 November 2025*

Classic one ❤️

### ⭐⭐⭐⭐⭐ Good service and quality product
*by F***R on 19 August 2025*

Lovely item

### ⭐⭐⭐⭐⭐ كاسيو لك وللزمن
*by Y***Y on 30 September 2025*

ساعة كلاسيكيه ترجعك ٣٠ سنة ورا لها ذكريات معي وحبيت ارجع اشتريها من جديد ومازالت تعجبني

## 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 Men's Vintage A168WA-1 Electro Luminescence Watch
- 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

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**Shop now:** [https://www.desertcart.sn/products/343516952-f91w-series-digital-watch-water-resistant-led-light-1-100](https://www.desertcart.sn/products/343516952-f91w-series-digital-watch-water-resistant-led-light-1-100)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-07-17*