---
product_id: 206690266
title: "Casio Casual Watch F-91WS-4EF"
price: "$132.01"
currency: USD
in_stock: true
reviews_count: 13
url: https://www.desertcart.ec/products/206690266-casio-casual-watch-f-91ws-4ef
store_origin: EC
region: Ecuador
---

# Microlight for night visibility 7-year battery life Stopwatch with 1/100 sec accuracy Casio Casual Watch F-91WS-4EF

**Price:** $132.01
**Availability:** ✅ In Stock

## Summary

> ⌚ Classic cool meets modern reliability — your everyday essential with a cult following!

## Quick Answers

- **What is this?** Casio Casual Watch F-91WS-4EF
- **How much does it cost?** $132.01 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/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 protect your watch from daily splashes and wear.
- • **Timeless Versatility:** Switch seamlessly between 12/24-hour formats and stay on schedule with an automatic calendar.
- • **Endurance You Can Trust:** One battery powers your watch for an impressive 7 years—set it and forget it.
- • **Precision Timing Mastery:** Stopwatch measures elapsed, split, and final times with 1/100-second accuracy.
- • **Effortless Nighttime Clarity:** Built-in microlight ensures you never miss a beat after dark.

## Overview

The Casio Casual Watch F-91WS-4EF combines iconic retro style with practical features like a built-in microlight, precise 1/100-second stopwatch, and a 7-year battery life. Its durable resin case and water resistance make it perfect for daily wear, while the automatic calendar and dual time formats keep you effortlessly on time. Lightweight and flexible, this unisex watch is a timeless accessory favored by trendsetters and professionals alike.

## 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 | 79,266 in Fashion ( See Top 100 in Fashion ) 288 in Women's Wrist Watches |
| Customer reviews | 4.6 4.6 out of 5 stars (1,516) |
| 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)

## Available Options

This product comes in different **Style** 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

### ⭐⭐⭐⭐⭐ 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

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

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-17*