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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Classic F91W Series Quartz Watch | Water Resistant |1/100 Second Stopwatch | Daily Alarm | Hourly Time Signal |Auto Calendar |SS Caseback |12/24-Hour Format

Product ID: 297974139

💧Water Resistant up to daily splashes

🔋7-Year Battery Life CR2016

⏱️1/100 Second Stopwatch precision

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3137118₫

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⌚ The iconic watch that never quits — style meets reliability!

ALWAYS ON TIME - Auto calendar with 12/24-hour format keeps you punctual
EFFORTLESS ALERTS - Daily alarm & hourly time signal to keep your schedule sharp
PRECISION ON DEMAND - Stopwatch accurate to 1/100 second for flawless timing
TIMELESS DURABILITY - Indestructible classic design trusted for decades
LOW MAINTENANCE POWER - 7-year battery life means less hassle, more freedom

The Casio Classic F91W is a legendary digital quartz watch featuring water resistance, a 1/100 second stopwatch, daily alarm, hourly time signal, and an auto calendar with 12/24-hour format. With a durable resin strap, stainless steel caseback, and an impressive 7-year battery life, it’s the ultimate low-maintenance timepiece for professionals who value reliability and timeless style.

Specifications

ASIN	B086RQT2KC
Age Range Description	Adult
Band Colour	Blue
Band Material Type	Resin
Band Width	20 Millimetres
Bands	1
Best Sellers Rank	22,004 in Fashion ( See Top 100 in Fashion ) 93 in Men's Wrist Watches
Brand Name	Casio
Case Diameter	30 Millimetres
Case Material Type	Resin
Case Thickness	8 Millimetres
Character	Fashion
Clasp Type	Tang Buckle
Closure Type	Buckle
Crystal	Sapphire Crystal
Customer Reviews	4.6 4.6 out of 5 stars (49,946)
Dial Color	Blue
Display	Digital
Face Style	Digital
Included Components	Casio F91W Series Classic Resin Strap Digital Sport Watch
Item Shape	Square
Item Type Name	Watch
Item Weight	0.17 Pounds
Manufacturer	Casio
Manufacturer Part Number	F-91WS-2CF
Model Name	F-91WS-2CF
Model Number	F-91WS-2CF
Pattern	Solid
Power Source	Battery Powered
Special Features	Shock Resistant
Strap Type	Resin Strap
Style Name	Quartz Watch
UPC	889232261041
Unit Count	1 Count
Watch Movement Type	Quartz
Water Resistance Depth	30 Metres
Water Resistance Level	Water Resistant

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