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phoinix | Staff 18.7K Views
Jun 19, 2026 6:39 AM

34mm Casio Data Bank Watch w/ 8-Digit Calculator & Resin Band (Olive Green)

$24

$40

40% off
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Deal Details
Amazon has 34mm Casio Data Bank Watch (Olive Green, CA-53WF-3BCF) on sale for $23.97. Shipping is free w/ Prime or on $35+ orders.

Thanks to Deal Hunter phoinix for finding this deal.

About this product:
  • Core Functions
    • 8-digit calculator with constants for +, –, x, ÷
    • Dual time display
    • 1/100-second stopwatch (up to 23:59'59.99'')
    • Measuring modes: elapsed time, split time, 1st–2nd place times
    • Daily alarm + hourly time signal
    • Full auto-calendar to year 2099
    • 12/24-hour format
    • Regular timekeeping (hour, minute, second, AM/PM, year, month, date, day)
    • Button operation tone on/off
  • Build & Durability
    • Water resistant (hand washing / splashes only; not submersible)
    • Resin case and bezel
    • Resin glass
    • Resin band
  • Dimensions & Weight
    • Case size: 43.2 x 34.4 x 8.2 mm
    • Weight: 25 g
  • Power & Accuracy
    • Battery: CR2016
    • Approx. battery life: 5 years
    • Accuracy: ±15 seconds per month

Editor's Notes

Written by Neo45 | Staff
  • About this Store:
  • Additional Information:
    • Our research indicates that this deal is $9.53 less (28% savings) than the next best available price from a reputable merchant with prices starting from $33.50 at the time of this post.
    • The price for this deal matches the previous Frontpage Deal.
    • Please see the original post for additional details and/or view the Wiki and forum comments for further helpful discussion if available.

Original Post

Written by phoinix | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Amazon has 34mm Casio Data Bank Watch (Olive Green, CA-53WF-3BCF) on sale for $23.97. Shipping is free w/ Prime or on $35+ orders.

Thanks to Deal Hunter phoinix for finding this deal.

About this product:
  • Core Functions
    • 8-digit calculator with constants for +, –, x, ÷
    • Dual time display
    • 1/100-second stopwatch (up to 23:59'59.99'')
    • Measuring modes: elapsed time, split time, 1st–2nd place times
    • Daily alarm + hourly time signal
    • Full auto-calendar to year 2099
    • 12/24-hour format
    • Regular timekeeping (hour, minute, second, AM/PM, year, month, date, day)
    • Button operation tone on/off
  • Build & Durability
    • Water resistant (hand washing / splashes only; not submersible)
    • Resin case and bezel
    • Resin glass
    • Resin band
  • Dimensions & Weight
    • Case size: 43.2 x 34.4 x 8.2 mm
    • Weight: 25 g
  • Power & Accuracy
    • Battery: CR2016
    • Approx. battery life: 5 years
    • Accuracy: ±15 seconds per month

Editor's Notes

Written by Neo45 | Staff
  • About this Store:
  • Additional Information:
    • Our research indicates that this deal is $9.53 less (28% savings) than the next best available price from a reputable merchant with prices starting from $33.50 at the time of this post.
    • The price for this deal matches the previous Frontpage Deal.
    • Please see the original post for additional details and/or view the Wiki and forum comments for further helpful discussion if available.

Original Post

Written by phoinix | Staff

Community Voting

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Top Comments

Beefalo1
409Comments
22Reputation
To look cool
Go to Comment
MellowPear1878
76Comments
18Reputation
I passed chemistry in highschool by saving the periodic table of elements as phone numbers in this watch. Wore it with the face under my wrist so I could easily scroll through the elements without the teacher seeing my stating at my wrist. Stupid curriculum having kids memorize the periodic table instead of actually understanding it.
Go to Comment
CalmCemetery698
5Comments
10Reputation
I wish they would make this with a backlight.
Go to Comment

Community Reviews

This Casio is a nostalgic calculator watch with a compact 34 millimeter case, olive green resin band, and a look that draws compliments. The calculator functions are handy for quick tasks like currency conversion, and the battery life is reported at about three years on a 1.5 volt cell. The main drawbacks are the tiny buttons, the hard to read inverted display, and the lack of a backlight. The strap also runs a bit short for larger wrists, making it more of a style piece than a practical everyday tool.

Common Questions (4)

AI-generated summary based on comments from the community. Updated ago

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40 Comments

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Jun 20, 2026 4:02 PM
127 Comments
Joined Nov 2017
Kamina007Jun 20, 2026 4:02 PM
127 Comments
This one is for Nostalgia!
Jun 20, 2026 4:12 PM
203 Comments
Joined Nov 2024
PurpleSeed694Jun 20, 2026 4:12 PM
203 Comments
In the old days it was useful for things currency conversion while browsing items in an international store.
1
Jun 20, 2026 5:17 PM
1.5K Comments
Joined Sep 2016
BostonBatmanJun 20, 2026 5:17 PM
1.5K Comments
Quote from JI1949 View quoted comment :
why do you need calculator in watch?
This runs off of 1.5v for 3 years...
Jun 20, 2026 5:19 PM
1.5K Comments
Joined Sep 2016
BostonBatmanJun 20, 2026 5:19 PM
1.5K Comments
Quote from thatguymark View quoted comment :
"The Casio CA53WF-3B does not store phone numbers or calendar events. [1, 2]" Don't think it makes sense to call it data bank when it doesn't retain data, it's just a calculator watch.
The data bank is referring to the constants available in the calculator. Please continue shitting on things for your own misconceptions. This is a fine watch and is absolutely a fine value.
1
1
Jun 20, 2026 5:26 PM
58 Comments
Joined May 2012
mentatgomJun 20, 2026 5:26 PM
58 Comments
This makes jr high me very happy.
Jun 20, 2026 6:38 PM
143 Comments
Joined Apr 2019
JungleFish428Jun 20, 2026 6:38 PM
143 Comments
This thing is sick. I have a similar Casio that I get tons of compliments on while very few compliments on my expensive watches. Just wild!
Jun 20, 2026 7:51 PM
149 Comments
Joined Dec 2013
marcusm9366Jun 20, 2026 7:51 PM
149 Comments
Nice trip down memory lane to my mid teens. Man I loved this watch lol. The color is great but the memories of trying to use the buttons no light is a no no

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Jun 20, 2026 8:13 PM
16.3K Comments
Joined Nov 2019
LilylyJun 20, 2026 8:13 PM
16.3K Comments
Quote from BostonBatman View quoted comment :
The data bank is referring to the constants available in the calculator. Please continue shitting on things for your own misconceptions. This is a fine watch and is absolutely a fine value.
You can't store any data even with some constant numbers. No recall buttons no constants available.
It can reuse the previous number to your next calculation. But that's not a data bank. If you think storing a single number as a data bank then it's a diff story.
Last edited by Lilyly June 20, 2026 at 01:21 PM.
Jun 20, 2026 9:09 PM
16 Comments
Joined May 2025
HeresADealJun 20, 2026 9:09 PM
16 Comments
Quote from MellowPear1878 View quoted comment :
I passed chemistry in highschool by saving the periodic table of elements as phone numbers in this watch. Wore it with the face under my wrist so I could easily scroll through the elements without the teacher seeing my stating at my wrist. Stupid curriculum having kids memorize the periodic table instead of actually understanding it.
We had to memorize the periodic table in 7th grade We were tested almost every day until every student got it right. Of course there was one idiot who never got it right. Only 103 elements back then but I wish we had this watch a long time ago.
Last edited by HeresADeal June 20, 2026 at 02:12 PM.
Jun 20, 2026 9:27 PM
45 Comments
Joined Jul 2009
drmodemJun 20, 2026 9:27 PM
45 Comments
w.t.f....? I had one of these when I was ...~ in 4th grade? and I am 53. I remember I got in trouble for wearing it - some other kid ratted me out.. Is sporting a device these days that can give you PhD quality answers boring or something? Why not get a horse and buggy as well? Or is this some kind of counter-culture movement?
2
2
Jun 20, 2026 11:45 PM
1.5K Comments
Joined Aug 2016
BatmansplumberJun 20, 2026 11:45 PM
1.5K Comments
Shouldn't the calculator have all 10 digits? Just another way for Big Watch to force us into an upsell.
Jun 21, 2026 1:36 AM
2.1K Comments
Joined Dec 2009
z32ttJun 21, 2026 1:36 AM
2.1K Comments
I'm thinking of jumping on this deal but I am a married man and I'm worried about the advances I will receive from other females when wearing this
7
Jun 21, 2026 1:03 PM
737 Comments
Joined Jul 2005
blahbbsJun 21, 2026 1:03 PM
737 Comments
Quote from RogueVariable View quoted comment :
Agreed. This is nothing at all like the OG Data Bank watch.

I remember having to hold the Data Bank watch sensor up in front of the CRT screen while patterns of lights and lines flashed on the screen as it "programmed" the watch with all your phone numbers and such.

Don't get me wrong. I had a Casio calculator watch when I was a kid. I thought I was so awesome at the time. 🤣
Oh yeah.... I had one of those watches you hold up to the screen. Super cool. I also had the accessory that you plugged into the 9-pin serial port and you could program the watch via a blinky LED.
Jun 21, 2026 1:06 PM
807 Comments
Joined Mar 2019
RogueVariableJun 21, 2026 1:06 PM
807 Comments
Quote from blahbbs View quoted comment :
Oh yeah.... I had one of those watches you hold up to the screen. Super cool. I also had the accessory that you plugged into the 9-pin serial port and you could program the watch via a blinky LED.
We thought we were so high-tech and futuristic. 😂

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Jun 21, 2026 2:30 PM
1.7K Comments
Joined Nov 2009
thatguymarkJun 21, 2026 2:30 PM
1.7K Comments
Quote from BostonBatman View quoted comment :
The data bank is referring to the constants available in the calculator. Please continue shitting on things for your own misconceptions. This is a fine watch and is absolutely a fine value.
lf pointing out how many can easily read it, not to mention the historical fact that other models in the Data Bank series do in fact have a storage capacity for phone numbers that's not a constant is "shitting on things" then that is in fact your own psychological misconception and in your own words trying to shit on someone else's post. I like Casios and own a Data Bank watch, nothing was said about it not being a good watch or value except you making it up in your head and publically posting it when someone is just pointing to a feature set matter. I questioned the name of the line as descriptive on face value, you have to somehow take offense and start drama on a public forum over it.
Last edited by thatguymark June 21, 2026 at 07:40 AM.

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