---
product_id: 206690266
title: "Casio Casual Watch F-91WS-4EF"
price: "C$4835"
currency: NIO
in_stock: true
reviews_count: 13
url: https://www.desertcart.ni/products/206690266-casio-casual-watch-f-91ws-4ef
store_origin: NI
region: Nicaragua
---

# Microlight illumination 7-year battery life 1/100-sec stopwatch precision Casio Casual Watch F-91WS-4EF

**Price:** C$4835
**Availability:** ✅ In Stock

## Summary

> ⌚ Classic Casio, modern edge — your timeless companion for every hustle.

## Quick Answers

- **What is this?** Casio Casual Watch F-91WS-4EF
- **How much does it cost?** C$4835 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/206690266-casio-casual-watch-f-91ws-4ef)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Everyday Resilience:** Durable resin case and water resistance keep pace with your dynamic lifestyle.
- • **Timeless Versatility:** Switch seamlessly between 12/24-hour formats and stay on schedule with an automatic calendar.
- • **Endurance You Can Trust:** A single battery powers your watch for an impressive 7 years—set it and forget it.
- • **Precision Timing Mastery:** Stopwatch with 1/100-second accuracy for your most exacting moments.
- • **Effortless Night Visibility:** Built-in microlight ensures you never miss a beat, even in the dark.

## Overview

The Casio F-91WS-4EF is a lightweight, unisex digital watch featuring a side microlight, 1/100-second stopwatch, and a 7-year battery life. Its durable resin case and water resistance make it ideal for daily wear, while the automatic calendar and dual time formats keep you effortlessly on time. A perfect blend of retro style and reliable functionality.

## Description

Microlight - A built-in light illuminates the watch face from the side. Light weight acrylic glass screen with a durable resin case. Synthetic resin is the ideal material for wrist straps thanks to its extremely durable and flexible properties. 12/24-hour timekeeping - Times can be displayed in either a 12-hour or 24-hour format. Stopwatch function - 1/100 sec. - 1 hour. Elapsed time, split time and final time are measured with 1/100-sec accuracy. The watch can measure times of up to 1 hour. Daily alarm - The daily alarm reminds you of events that recur every day, by emitting an audible signal at the set time. Automatic calendar with Date, Day and Month - Once set, the automatic calendar always displays the correct date. 7 Years - 1 Battery. The battery supplies the watch with sufficient energy for approx. seven years. Water resistance classification (WR) to ISO 22810. This model is water resistant to DIN 8310 / ISO 22810, and thus is resistant to minor splashing. Watch dimensions: Width; 33.2mm Height 38.2mm Thickness; 8.5mm

Review: Perfect watch - I get so many compliments on this. Great quality. Great colour. Great watch!!
Review: Nice watch - 10/10, just like the original Casio.

## Features

- Microlight - A built-in light illuminates the watch face from the side. Light weight acrylic glass screen with a durable resin case. Synthetic resin is the ideal material for wrist straps thanks to its extremely durable and flexible properties.
- 12/24-hour timekeeping - Times can be displayed in either a 12-hour or 24-hour format. Stopwatch function - 1/100 sec. - 1 hour. Elapsed time, split time and final time are measured with 1/100-sec accuracy. The watch can measure times of up to 1 hour.
- Daily alarm - The daily alarm reminds you of events that recur every day, by emitting an audible signal at the set time.
- Automatic calendar with Date, Day and Month - Once set, the automatic calendar always displays the correct date.
- 7 Years - 1 Battery. The battery supplies the watch with sufficient energy for approx. seven years. Water resistance classification (WR) to ISO 22810. This model is water resistant to DIN 8310 / ISO 22810, and thus is resistant to minor splashing. Watch dimensions: Width; 33.2mm Height 38.2mm Thickness; 8.5mm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B0856CGX23 |
| Batteries  | 1 Lithium Metal batteries required. (included) |
| Best Sellers Rank | 87,578 in Fashion ( See Top 100 in Fashion ) 290 in Women's Wrist Watches |
| Customer reviews | 4.6 4.6 out of 5 stars (1,525) |
| Date First Available  | 27 Feb. 2020 |
| Department  | Unisex |
| Item model number  | F-91WS-4EF |
| Manufacturer  | Casio |
| Product Dimensions  | 27 x 4.3 x 4.3 cm; 21 g |

## Images

![Casio Casual Watch F-91WS-4EF - Image 1](https://m.media-amazon.com/images/I/51sm9EM8XsL.jpg)

## Questions & Answers

**Q: Would this watch fit a 4 year old?**
A: Hi I bought this watch for my 11 years old doughter,and fit for her but maybe yes because it's lots hols in belt

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect watch
*by M***O on 6 May 2025*

I get so many compliments on this. Great quality. Great colour. Great watch!!

### ⭐⭐⭐⭐⭐ Nice watch
*by S***H on 23 March 2025*

10/10, just like the original Casio.

### ⭐⭐⭐⭐⭐ Great - has lasted me a long time and i love that it is water resistant
*by T***L on 5 November 2025*

Wanted a watch for back packing and this was probably my best purchase!! although the band started to fade with suncream and what not, it was water resistant and easy to clean

## Frequently Bought Together

- Casio Casual Watch F-91WS-4EF
- Casio Collection Unisex Digital Watch
- CASIO STANDARD DIGITAL WATCH WITH LED-LIGHT F-91W-1JF

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**Shop now:** [https://www.desertcart.ni/products/206690266-casio-casual-watch-f-91ws-4ef](https://www.desertcart.ni/products/206690266-casio-casual-watch-f-91ws-4ef)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-02-25*