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In a World that Every one Obsessed with smartwatches , I found a watch that wore BARAK OBAMA , Used in NASA ( rumours) and very Famous Celebrity. Yes i Talk about a very legendary watch from casio is CASIO F91W Watch . yes you are right here we discuss about how this watch is conquered the world , and what is the secret behind it. and we give you Casio F91W Watch Review 2026
History
this legendary watch was born in 1989, Casio made a simple , affordable and good looking watch for masses , but this watch became revolutionary after released . and still this watch sold in millions , as per report CASIO F91 W sold 3 millions unit annually all over the world .
The Reason behind its success is its simplicity , in 1989 Casio want to make affordable watch that attract masses . that time they were leader in calculators , digital products and also G-SHOCK watches , but they want to gap the market for simple and keep accurate time watches and they made this watch and rest is history.
Because of their wide distribution and great marketing efforts CASIO F91 W watch sold every where in the region and other area where durability and simplicity required.
Specification
Since Released specs are as it is.
Weight-21 gm
Case and Bezel Material – Resin
Band– Resin band
Water Resistance – Yes
Battery Life – Appx 7 Years
Warranty Period – 2 Years
Function – 1/100 Stopwatch
- Daily Alarm
- Hourly Time Signal
- LED Backlight
- Auto Calander
This Function Looks Normal but it is Useful as Watch
Read also – iPhone 17 Pro Max review
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Strong Reason To Buy CASIO F91W Watch
Durability
As per Specs You find Normal specification but when you use in practical life it is Impressive. in paper it is just water resistant but in my use i drop it in full water of glass , it was dropped from my hand many times but it survives every time.
its resin band is very strong and give comfort feeling and flexible in any temperature.
it consistently survives any weather, rain , drops, and heat.
and most important that its weight is just 21 gms , seriously you don’t recognise that you wear all time and it doesn’t feel in hand.
Battery – 7-year battery life watch
One of the strong positive point for this watch is its battery life , its official website give 7 years o battery life appx . and its amazing , in this world where smartwatch doesn’t last one day this watch gives 7 years of battery life. and this attracts regions where we cant find any watch spares and service centre.
Fresh Design
Since 1989, the design is same .
Rectangular dial with Chamfer in Corners. ( layers anarch watch is looks alike)
Three well defined Push Buttons.
blue strips around dial for attractions. ( i have this color)
Casio and model no branding in dial.
some people told about that it is looks small in his hand but many people likes this design.
Universal Wearable- Best Budget Digital Watch
This is the Watch that Every one can wear on his / her hand . no predefined strategy for the watch that it is for man, women, children or elders . Every One can wear.
World Wide Availability
CASIO F91 W has a world wide attraction and that’s why this watch has universal fan following and you can find any region in the world and this watch is available .And many markets give best value for the watch like India.
Choice of Famous Celebrity CASIO F91W Watch
since 1989 , this watch remain presence in famous celebrities wrist and some of them are very famous person.
- Barack Obama – He has been photographed several times wearing the F-91W during casual public appearances before and during his presidency.
- Tom Cruise – Worn in several behind-the-scenes photos . he likes its lightweight feel. and Durability during his stunts.
- Ryan Gosling – He wore the Casio F-94W (a sibling model) in Drive, which boosted the visibility of Casio’s classic digital series.
- Steve Jobs (rumoured) – While not as famous as his Seiko watch, but he was often wear this minimalistic
- Bill Gates has been spotted wearing this $20 marvel despite his billions
Why CASIO F91W Watch is still Relevant in Modern World
Where Technology is day by day progressing , people looking for simplicity and thats why still CASIO F91 W still relevant in modern world.
CASIO F91W Watch vs Modern smartwatch
Lightweight – 21 gm is like nothing in hand
No maintenance – no software update, no data collect, no software issue.
Unbeatable Battery life – 7 Years ( CASIO F91 W ) VS 3 Day( modern smartwatch)
Bottom Line
The Casio F-91W proves that true innovation isn’t always about adding more—sometimes it’s about perfecting the essentials. For less than the cost of lunch, you get a timepiece that will likely outlast most smartphones, survive conditions that would destroy luxury watches, and never go out of style.
Whether worn by presidents or students, astronauts or artists, the F-91W remains the great equalizer. It’s a reminder that good design, reliability, and value never go out of fashion. In a world of increasingly complex technology, sometimes the most revolutionary choice is the simplest one.
FAQ
Why is Casio F-91W so popular?
The Casio F-91W is famous for its iconic, simple design, extreme affordability (often under $20), exceptional reliability, long battery life (around 7 years), and useful basic functions (stopwatch, alarm, backlight),
Which Casio watch did Obama wear?
Barack Obama famously wore the simple, iconic, and affordable Casio F-91W digital watch, especially early in his political career
Which celebrity uses Casio F-91W?
President Barack Obama (in his youth) and actors like Ryan Reynolds (Free Guy) and Chris Pine (The Contractor), to musicians like Tyler, the Creator
Is the Casio F-91W allowed in flight?
YES
Do military use Casio F-91W?
Yes, militaries, especially special operations forces (SpecOps) and intelligence units, used the Casio F-91W
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