---
product_id: 206690266
title: "Casual Watch F-91WS-4EF"
brand: "casio"
price: "AR$147233"
currency: ARS
in_stock: false
reviews_count: 13
url: https://www.desertcart.com.ar/products/206690266-casual-watch-f-91ws-4ef
store_origin: AR
region: Argentina
---

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

**Brand:** casio
**Price:** AR$147233
**Availability:** ❌ Out of Stock

## Summary

> ⌚ Timeless reliability meets modern hustle.

## Quick Answers

- **What is this?** Casual Watch F-91WS-4EF by casio
- **How much does it cost?** AR$147233 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/206690266-casual-watch-f-91ws-4ef)

## 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

- • **Light Up Your Day:** Built-in microlight ensures clear visibility even in low light.
- • **Set It and Forget It:** Automatic calendar and daily alarm keep your schedule effortlessly on track.
- • **Endurance Meets Elegance:** Durable resin case and flexible synthetic resin strap for all-day comfort.
- • **Precision Timing, Every Time:** Stopwatch with 1/100 sec accuracy for your productivity and workouts.
- • **Always On Time, Always In Style:** 12/24-hour format keeps you punctual in any timezone.

## Overview

The Casio Casual Watch F-91WS-4EF combines lightweight durability with practical features like a built-in microlight, 1/100 second stopwatch, and a 7-year battery life. Its flexible synthetic resin strap and water resistance make it perfect for everyday wear, while the automatic calendar and daily alarm keep busy professionals on schedule.

## 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 | 989 in Women's Wrist Watches |
| 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

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

## Available Options

This product comes in different **Style Name** options.

## 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

### ⭐⭐⭐⭐⭐ Worth it
*by  on Reviewed in the United Kingdom 29 March 2026*

Good quality item at a good price and it’s cute too!

### ⭐⭐⭐⭐⭐ Perfect watch
*by  on Reviewed in the United Kingdom 6 May 2025*

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

### ⭐⭐⭐⭐⭐ Nice watch
*by  on Reviewed in the United Kingdom 23 March 2025*

10/10, just like the original Casio.

## 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.com.ar/products/206690266-casual-watch-f-91ws-4ef](https://www.desertcart.com.ar/products/206690266-casual-watch-f-91ws-4ef)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-08-23*