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Casio W-800H-1BVES
Casio W-800H-1BVES.

Casio W-800H-1BVES

Price 41.99 USD excluding sales tax

The Casio W-800H is fairly resistant to varying environments, displays dual time, and is also lightweight with a 10-year battery life. Oh, and it's not terribly expensive.

  • In stock 27 pcs. Sold 2 pcs in the last two weeks.
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The Casio W-800H is fairly resistant to varying environments, displays dual time, and is also lightweight with a 10-year battery life. Oh, and it's not terribly expensive.

The W-800 is a wee bit larger compared to the base models, and it has a world/dual time and 100 meters of water resistance, more than enough for snorkeling. This model doesn't allow setting a countdown timer by default, but there are instructions out there to mod the circuit board in a very simple fashion to activate it. At your own risk, of course.

The suffix 1BVES means the color code (1 means Black, B means a blacked out negative display), and VES for Export / European version. The various regions are most often just packaged a bit differently, and the manual language varies.

Technical Specs

Casio wristwatches have so much in common that finding the right one for you may be difficult. Here are some simple facts:

  • Width: 36.8 mm
  • Height: 44.2 mm
  • Thickness: 13.4 mm
  • Weight: 37 g
  • Battery / Life: CR2025 / 10 years
  • Water Resistance: 10 BAR / 100 m
  • Made in China
  • Module: 3240


These are features that may require clarification and may not be found on all models:

World Time

This model has no automation and allows you to set a secondary time down to the minutes.


Stopwatch with 1/100th precision up to 24 hours. Displays elapsed time and can be toggled for split times and 1st and 2nd places.

The split time in Casio watches means freezing the elapsed time on the screen while the stopwatch keeps running in the background. E.G. if you run 1:36 laps with a steady pace, your first split time will be 1:36, the second one 3:12, then 4:48, and so on.

Multi Alarm Clock / Hourly Signals

You can set hourly time signals on or off, and the watch has a multitude of alarms: daily alarm, daily alarm for one month, alarm at a specified date, and a monthly alarm. You can set the chosen alarm to snooze if you like.

Calendar to the year 2099

You don't have to check the date setting of this watch each month: leap years, Februaries, and Biblical events are covered for a very long time – automagically.


This watch has one green LED for viewing in the dark but it's better than usual: there's a light guide panel to distribute it more evenly across the display. The Afterglow is fixed at 1.5 seconds. Higher-end models of today have something they call the Super Illuminati but this one is just fine.

Made by Casio

The first invention by Tadao Kashio was the yubiwa pipe: a ring that allows you to smoke a cigarette hands-free and all the way to the end. Tobacco was expensive in war-torn Japan (because WWII), and people had their hands full of work, so this was exactly what the market wanted. With the profits from the pipe, Kashio could fund the development of Casio's first electro-mechanical calculator.

High intelligence and flair for business combined with this sort of diligence could not have led to anything but the success Casio has achieved. The company has been the first mover too many times to mention. Let's skip the list this time.

Being the first mover has not sacrificed quality: many people still use Casio wristwatches they bought 40 years ago, and they have gained the trust of NASA, numerous special (and non-special) forces, law enforcement, paramedics, and so on. Another long list. The TL;DR is that all of these are damn good, pick any one you like!

All products: Casio


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17.01.2024 Verified purchase
I like the watch, since I find the inverted display (light figures on black background) is very elegant. I also like the automatic calendar and the display of the complete date including weekday (e.g. sun, mon, tue etc.) .

However, the inverted display is a little bit more difficult to read than a positive display. So, if it’s important to you, that you are able to read the time in a glance I recommend double-checking whether the inverted display is suitable for you.

I expected the watch comes with a 10-year-battery. Hence, I felt a little bit disappointed, when I read the following statement in the user's guide - that's why I gave 4 stars only:

"Initial Battery
* The battery that comes loaded in you watch when you purchase it is used for function and performance testing at the factory.
* The test battery may go dead quicker than the normally rated battery life as noted in the User's Guide. ..."
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