How are they charging $10 for this $3 watch from 1990?

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.

Does the count down timer be set to seconds?

No countdown timer. Look at Model F201WA-1A for that feature.

how far in depth is the water resist

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.

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?

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.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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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

Product ID: 39743796

💡LED Night Light for low-light clarity

🔋7-Year Battery Life for long-lasting use

⏱️1/100 SEC Stopwatch precision

¥8952

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In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⌚ Timeless tech meets modern hustle—stay sharp, stay ahead!

ALWAYS ON ALWAYS READY - LED backlight ensures you can check the time discreetly anytime, anywhere—even in the dark.
EFFORTLESS DAILY ALERTS - Stay ahead with a reliable daily alarm and hourly time signal that keeps your schedule on track.
UNMATCHED BATTERY ENDURANCE - Forget frequent charging—enjoy up to 7 years of uninterrupted performance on a single battery.
LIGHTWEIGHT COMFORTABLE DESIGN - Crafted with resin and a slim 38.2mm case, this watch feels barely there—ideal for all-day wear.
PRECISION TIMING AT YOUR FINGERTIPS - Experience split-second accuracy with a 1/100 second stopwatch—perfect for tracking your every move.

The Casio F91W is a sleek, lightweight digital watch featuring a precise 1/100 second stopwatch, LED backlight, and a durable 7-year battery. Designed with a resin case and strap, it offers water resistance for everyday use and includes essential functions like daily alarm, auto calendar, and hourly signals—making it the ultimate reliable companion for professionals on the go.

Specifications

ASIN	B01MZF6LL2
ASIN	B01MZF6LL2
Additional Features	Chronograph, Lightweight, Timer
Age Range Description	Adult
Band Color	Black
Band Length	8.75 inches
Band Material Type	Resin
Band Width	18 millimeters
Bands	1
Batteries	1 Lithium Metal batteries required. (included)
Best Sellers Rank	#577 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #1 in Men's Wrist Watches
Brand Name	Casio
Case Diameter	38.2 millimeters
Case Material Type	Resin
Case Thickness	35.2 millimeters
Character	Fashion
Clasp Type	Buckle
Closure Type	Buckle
Crystal	mineral
Customer Reviews	4.6 4.6 out of 5 stars (16,507)
Date First Available	February 10, 2017
Department	Unisex
Dial Color	Gold
Display	Digital
Embellishment Feature	Crystal
Face Style	F91W
Global Trade Identification Number	00889232140810
Included Components	the brand's case
Item Type Name	Watch
Item Weight	0.09 kg
Item model number	F91WM-9A
Manufacturer	Casio
Manufacturer	Casio
Manufacturer Part Number	F-91WM-9ACF
Model Name	F-91WM-9ACF
Model Number	F91WM-9A
Number of Items	1
Pattern	Solid
Power Source	Battery Powered
Product Dimensions	4.2 x 3 x 2.1 inches; 3.2 ounces
Shape	Rectangular
Sport Type	Walking
Strap Type	Two Piece Strap
Style Name	F91W
Theme	Sports
UPC	889232140810
Unit Count	1 Count
Warranty Type	Limited
Watch Movement Type	Quartz
Water Resistance Level	Water Resistant

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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¥8952

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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