---
product_id: 681415879
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: "¥9484"
currency: JPY
in_stock: true
category: "Casio"
url: https://www.desertcart.jp/products/681415879-f91w-series-digital-watch-water-resistant-led-light-1-100
store_origin: JP
region: Japan
---

# Water Resistant up to 200M 7-Year Long-lasting Battery 1/100 SEC Stopwatch precision 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:** ¥9484
**Availability:** ✅ In Stock

## Summary

> ⌚ Timeless tech meets eco-conscious style—wear the future today!

## 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?** ¥9484 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/681415879-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

- • **Eco-Chic Resin Band:** Crafted with environmentally friendly bio-based resin, combining sustainability with sleek style.
- • **Dive Into Durability:** Water resistant up to 200 meters—perfect for swimming, diving, and everyday adventures without worry.
- • **Set It and Forget It:** Reliable 7-year battery life means less hassle, more freedom—stay powered through your busiest days.
- • **Illuminate Your Moments:** Built-in LED illuminator ensures clear visibility in low-light settings, keeping you on schedule anytime.
- • **Precision Timing at Your Fingertips:** Experience ultra-accurate 1/100 second stopwatch functionality for flawless time management.

## Overview

The Casio F91WB-1A is a minimalist digital watch featuring a durable bio-based resin band, a precise 1/100 second stopwatch, and a bright LED light for visibility in any environment. Water resistant up to 200 meters and powered by a 7-year battery, it’s designed for professionals who demand reliability, sustainability, and style in one sleek package.

## Description

Buy Casio F-91WB Series | Men's Digital Watch | Environmentally Friendly Bio-Based Resin | Alarm | Date Indicator | 7-Year Battery online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Features

- Constructed with an environmentally friendly (Bio-Based) resin Band
- LCD display comes equipped with an illuminator function to aid visibility in darker environments
- (Up to) 7-Year battery life w/ included CR2016 model battery
- Additional features include an Alarm, Stopwatch (Chronograph), and day-date indicator

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DDWDKRWT |
| ASIN  | B0DDWDKRWT |
| Additional Features | Alarm, Chronograph, Light Up |
| Age Range Description | Adult |
| Band Color | Black |
| Band Length | 220 Millimeters |
| Band Material Type | Resin |
| Band Width | 20 Millimeters |
| Bands | 1 |
| Best Sellers Rank | #43,016 in Fashion ( See Top 100 in Fashion ) #1,164 in Men's Wrist Watches |
| Brand Name | Casio |
| Case Diameter | 35.2 Millimeters |
| Case Material Type | Resin |
| Case Thickness | 8.5 Millimeters |
| Clasp Type | Buckle |
| Closure Type | Buckle |
| Crystal | Resin |
| Customer Reviews | 4.6 4.6 out of 5 stars (427) |
| Customer reviews | 4.6 4.6 out of 5 stars (427) |
| Date First Available  | 2 September 2024 |
| Department  | mens |
| Dial Color | Black |
| Display | Digital |
| Face Style | Minimalist |
| Included Components | 1 x Digital Watch |
| Item Type Name | Casual Watch |
| Item Weight | 0.12 Kilograms |
| Item model number  | F-91WB-1A |
| Manufacturer | Casio |
| Manufacturer  | Casio |
| Manufacturer Part Number | F-91WB-1A |
| Model Name | F-91WB-1A |
| Model Number | F-91WB-1A |
| Model Series | F-91WB |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Product Dimensions  | 13.69 x 11.71 x 6.91 cm; 120 g |
| Shape | Octagonal |
| Sport Type | Swimming, Diving |
| Strap Type | Resin strap |
| Style Name | Minimalist |
| Theme | Minimalist |
| UPC | 889232378329 |
| Unit Count | 1 Count |
| Watch Movement Type | Quartz |
| Water Resistance Depth | 200 Meters |
| 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/51B4HGpwHAL.jpg)

## Available Options

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

## 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 W800HG Series | Men’s Digital Watch | 100 Meter Water Resistance | Multi Function Alarm | 100 SEC Stopwatch | Auto Calendar | Countdown Timer | LED Light | Dual Time| 10 Year Battery

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**Shop now:** [https://www.desertcart.jp/products/681415879-f91w-series-digital-watch-water-resistant-led-light-1-100](https://www.desertcart.jp/products/681415879-f91w-series-digital-watch-water-resistant-led-light-1-100)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-24*