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

Price: $22.95
(as of Aug 06, 2025 08:18:05 UTC – Details)

From the manufacturer

Casio Values

“Necessity is not the mother of invention, invention is the mother of necessity.” These are the words of one of Casio’s founders. The people who created Casio were determined to ‘invent necessity’- to create products that met latent needs with groundbreaking capabilities no one had ever seen before. Ever since, Casio has been doing just that, bringing new discovery and delight to people around the world. This is Casio’s way of building an even more prosperous, richly rewarding world.

Key Features

30 Meter (100 Feet) Water Resistant

Suitable for everyday use. Will withstand accidental splashes but not suitable for swimming.

Daily Alarm

1/100 Second Stopwatch

Casio Accuracy and Reliability

Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 4.2 x 3 x 2.1 inches; 3.2 ounces
Item model number ‏ : ‎ F91WM-9A
Department ‏ : ‎ Unisex
Batteries ‏ : ‎ 1 Lithium Metal batteries required. (included)
Date First Available ‏ : ‎ February 10, 2017
Manufacturer ‏ : ‎ Casio
ASIN ‏ : ‎ B01MZF6LL2
Country of Origin ‏ : ‎ China
Best Sellers Rank: #472 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #1 in Men’s Wrist Watches
Customer Reviews: 4.5 4.5 out of 5 stars 56,616 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });