---
product_id: 725169299
title: "Casio Quartz Watch with Resin Strap, Clear, 20 (Model: F-91WS-7CF)"
brand: "casio(カシオ)"
price: "$U2745"
currency: UYU
in_stock: false
reviews_count: 10
url: https://www.desertcart.uy/products/725169299-casio-quartz-watch-with-resin-strap-clear-20-model-f
store_origin: UY
region: Uruguay
---

# Waterproof up to sea-level use 7-year battery life on CR2016 Built-in Stopwatch & Alarm Casio Quartz Watch with Resin Strap, Clear, 20 (Model: F-91WS-7CF)

**Brand:** casio(カシオ)
**Price:** $U2745
**Availability:** ❌ Out of Stock

## Summary

> ⌚ Stay sharp, stay ahead — the classic watch for the modern pro.

## Quick Answers

- **What is this?** Casio Quartz Watch with Resin Strap, Clear, 20 (Model: F-91WS-7CF) by casio(カシオ)
- **How much does it cost?** $U2745 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/725169299-casio-quartz-watch-with-resin-strap-clear-20-model-f)

## Best For

- casio(カシオ) enthusiasts

## Why This Product

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

## Key Features

- • **Always On Time:** Auto calendar and hourly time signal keep your schedule flawless—never miss a meeting or moment.
- • **Light Up Your Night:** LED backlight ensures you stay punctual even in low light, perfect for late-night brainstorming or after-hours networking.
- • **Timeless Transparency:** Sleek clear resin strap for a modern minimalist vibe that stands out subtly in any boardroom or weekend getaway.
- • **Waterproof Confidence:** Wear it to the office, the gym, or the sea—this watch keeps up with your dynamic lifestyle effortlessly.
- • **Endurance You Can Trust:** 7-year battery life means less hassle, more hustle—focus on what matters without constant recharging.

## Overview

The Casio F-91WS-7CF is a lightweight, waterproof quartz watch featuring a transparent resin strap, LED backlight, stopwatch, daily alarm, and an auto calendar with 12/24 hour formats. With an impressive 7-year battery life and a sleek minimalist design, it’s a reliable timepiece designed for professionals who value both style and functionality.

## Description

Great for casual wear and true style. Daily alarm, hourly time signal, auto calendar, no more worry about losing appointments. Casual classic watch with transparent skeleton resin band

Review: amazing - Great watch. can wear into the sea. light weight and sleek design
Review: チープカシオなのでバックライトは無理としてそこからの灯光は流石に弱すぎて数字が見づらい 個人的にはかなり気に入っている 少し腕が太いとベルトが短くなる点もやや不満か

## Features

- Waterproof, LED light
- Stopwatch, Daily Alarm, Hourly Time Signal
- Calendar, 12/24 hour format
- Approx. battery life: 7 years on CR2016

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B086RNZX13 |
| Amazon Bestseller | #1,084,366 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #9,501 in Men's Wrist Watches |
| Batteries  | 1 Lithium Metal batteries required. (included) |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,365) |
| Date First Available  | June 6, 2020 |
| Department  | Uni Adult |
| Is Discontinued By Manufacturer  | No |
| Item model number  | F-91WS-7DF |
| Manufacturer  | Casio |
| Product Dimensions  | 15.24 x 15.24 x 10.16 cm; 77.11 g |
| Release date  | April 6, 2017 |

## Images

![Casio Quartz Watch with Resin Strap, Clear, 20 (Model: F-91WS-7CF) - Image 1](https://m.media-amazon.com/images/I/318JZJCvgDL.jpg)
![Casio Quartz Watch with Resin Strap, Clear, 20 (Model: F-91WS-7CF) - Image 2](https://m.media-amazon.com/images/I/31PSVZosM5L.jpg)
![Casio Quartz Watch with Resin Strap, Clear, 20 (Model: F-91WS-7CF) - Image 3](https://m.media-amazon.com/images/I/41JFy2foO7L.jpg)
![Casio Quartz Watch with Resin Strap, Clear, 20 (Model: F-91WS-7CF) - Image 4](https://m.media-amazon.com/images/I/41hcjv3af4L.jpg)
![Casio Quartz Watch with Resin Strap, Clear, 20 (Model: F-91WS-7CF) - Image 5](https://m.media-amazon.com/images/I/51bVWWw7yuL.jpg)

## 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

### ⭐⭐⭐⭐⭐ amazing
*by C***Q on August 11, 2023*

Great watch. can wear into the sea. light weight and sleek design

### ⭐⭐⭐⭐⭐ Review
*by ユ***ー on September 11, 2021*

チープカシオなのでバックライトは無理としてそこからの灯光は流石に弱すぎて数字が見づらい 個人的にはかなり気に入っている 少し腕が太いとベルトが短くなる点もやや不満か

### ⭐⭐⭐⭐⭐ Review
*by ア***ま on January 28, 2022*

シンプルで使いやすいのがいいと思いました。

## 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 A158WA Series | Unisex Digital Watch | Vintage | WR | 100 SEC Stop Watch | Daily Alarm | Regular Time Keeping: Hour, Minute, Second, PM, Date, Day | Led Light | 7 Yr Battery

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-01-28*