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: 65792351

💧Water Resistant up to 30 feet

🔋7 Year Long-lasting Battery

⏱️1/100 SEC Stopwatch precision

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30221CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⌚ Timeless tech, unstoppable style.

EFFORTLESS ALL DAY WEAR - Lightweight design at just 20.87g for ultimate comfort
BUILT TO BRAVE THE ELEMENTS - Water resistant up to 30 feet—wear it rain or shine
POWER THAT KEEPS UP WITH YOU - 7-year battery life means no interruptions, ever
PRECISION TIMING AT YOUR FINGERTIPS - 1/100 second stopwatch for flawless time tracking
VINTAGE STYLE MEETS MODERN FUNCTION - Classic digital display with LED light for anytime visibility

The Casio F91W Series is a sleek, vintage-inspired digital watch featuring a precise 1/100 second stopwatch, water resistance up to 30 feet, and a 7-year battery life. Lightweight and durable with a resin band and mineral crystal face, it offers daily alarms, LED illumination, and reliable quartz movement—perfect for professionals who value both style and function.

Specifications

ASIN	B07BQXXNQY
ASIN	B07BQXXNQY
Additional Features	Alarm, Chronograph
Age Range Description	Adult
Band Color	Black
Band Material Type	Resin
Band Width	19.25 Millimeters
Bands	1
Batteries	1 Lithium Metal batteries required. (included)
Best Sellers Rank	#684 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #1 in Men's Wrist Watches
Bezel Color	Black
Brand Name	Casio
Case Diameter	35.5 Millimeters
Case Material Type	Resin
Case Thickness	8.38 Millimeters
Character	Fashion
Clasp Type	Buckle
Closure Type	Buckle
Crystal	mineral
Customer Reviews	4.6 4.6 out of 5 stars (60,906)
Date First Available	May 18, 2018
Department	Unisex
Dial Color	Gray
Display	Digital
Embellishment Feature	Crystal
Face Style	Digital
Global Trade Identification Number	00889232187587
Included Components	Band
Is Discontinued By Manufacturer	No
Item Type Name	Watch
Item Weight	20.87 g
Item model number	Casio F91W Serie, model 593
Manufacturer	Casio
Manufacturer	Casio
Manufacturer Part Number	F-91WM-3ACF
Model Name	F-91WM-3ADF
Model Number	Casio F91W Serie, model 593
Pattern	Solid
Power Source	Battery Powered
Product Dimensions	10 x 10 x 10 inches; 0.74 ounces
Shape	Square
Sport Type	Walking
Strap Type	Two Piece Strap
Style Name	F91W
Theme	Vintage
UPC	889232187587
Unit Count	1 Count
Warranty Type	Limited
Watch Movement Type	Quartz
Water Resistance Depth	30 Feet
Water Resistance Level	Water Resistant

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