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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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

¥8123

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In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⌚ Timeless tech for the millennial mover — stay sharp, stay ahead!

ALWAYS ON ALWAYS READY - 7-year battery ensures your watch keeps pace with your busy lifestyle without constant recharging.
EFFORTLESS NIGHT VISIBILITY - Built-in LED light lets you check time anytime, anywhere—even in the darkest settings.
CLASSIC MEETS MODERN UTILITY - Digital display with daily alarm, auto calendar, and water resistance blends timeless style with practical features.
LIGHTWEIGHT COMFORTABLE DESIGN - Weighing just 0.09 kg with a sleek resin band, it’s the perfect everyday companion you’ll forget you’re wearing.
PRECISION TIMING AT YOUR FINGERTIPS - Experience ultra-accurate 1/100 second stopwatch functionality perfect for sports and productivity.

The Casio F91W Series is a lightweight, water-resistant digital watch featuring a precise 1/100 second stopwatch, LED backlight, and a remarkable 7-year battery life. Its classic rectangular resin case and digital quartz movement deliver reliable timekeeping with daily alarms, auto calendar, and chronograph functions, making it an ideal blend of vintage style and modern practicality 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	#253 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 (16,491)
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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Are the products genuine and authentic?+

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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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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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.

How is product pricing calculated?+

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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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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¥8123

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

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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Customer service was outstanding when I had questions about the product.

2 days ago

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