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Cressi Leonardo Underwater Single Button Diving Computer, Created in Italy, Quality Since 1946

4.3 4.3 out of 5 stars 3,004 ratings

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Brand Cressi
Item Dimensions LxWxH 4 x 4 x 4 inches
Item Weight 0.4 Grams

About this item

  • A single button Dive Computer makes it effortless to set Air, Nitrox and Gauge modes. Ideal for beginners in Scuba Diving. It is easy to use and easy to read all the information due to the high-definition screen that gives large numerical displays.
  • FO2 adjustable between 21% and 50%. PO2 adjustable between 1.2 bar and 1.6 bar. CNS oxygen toxicity graphic indicator.
  • Three levels of user adjustable conservatism. Visual and distinct, easy-to-hear audible alarms
  • User-selectable deep stop function. Adjustable unit of measure: imperial or metric. Battery life indicator. User changeable battery. Battery model: CR2431
  • The Leonardo dive computer is made in Italy by Cressi, a brand pioneer in Scuba Diving, Snorkeling, and Freediving equipment since 1947

Additional Details

Made in Italy
Shop products that have been wholly produced or have undergone their last substantial transformation in Italy. Discover more about “Made in Italy”, a label synonymous throughout the world with refined materials, attention to detail, and creativity.

Made in Italy
This product was wholly produced or has undergone its last substantial transformation in Italy. Discover Made in Italy. Learn more

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From the manufacturer

SCUBA DIVE COMPUTER, CRESSI COMPUTER
SCUBA DIVE COMPUTER, CRESSI COMPUTER

SCUBA DIVING GEAR, CRESSI GEAR, DIVE MASK, DIVE SNORKEL, DIVE REGULATOR, BCD, GAUGE
Cressi, since 1946

Cressi was founded in 1946 as a diving company rich in innovation, design, development and manufacturing. An entirely family owned and operated Italian brand, Cressi is one of the first companies to develop innovative equipment for watersports. Over 70 years later, and the commitment to innovation is still in the company’s DNA. The passion that stimulated the founders to begin their adventure is still present and, combined with the advanced technology, results in best and most reliable products.

Cressi Leonardo

An elegant expression of simple, functional design

The Leonardo is a must-have for divers entering the sport and for those who 'just want to dive'.Leonardo is the first computer designed, developed and produced in Italy by our owned subsidiary, Cressi Elettronica. It is a completely modular, rugged computer with a wide UFDS display, which provides the proverbial ease of navigation and Cressi computer menus. It has complete Nitrox management, depth gauge mode, and a reset option. The algorithm incorporates RGBM and Deep Stop.

  • A single button Dive Computer makes effortless to set Air, Nitrox and Gauge modes. Ideal for beginners in Scuba Diving.
  • FO2 (Oxigne percentage) adjustable between 21% and 50%. PO2 (Oxigen partial pressure) adjustable between 1.2 BAR (17.4 PSI) and 1.6 BAR (23.2 PSI). CNS oxygen toxicity graphic indicator.
  • Three levels of user adjustable conservatism. Visual and distinct, easy-to-hear audible alarms.
  • User-selectable deep stop function. Adjustable unit of measure: imperial or metric.
  • Battery life indicator. User changeable battery. Battery model: CR2430.
  • The Leonardo dive computer is developed and made in Italy by Cressi, a brand pioneer in Scuba Diving, Snorkeling and Freediving equipment.
SCUBA DIVE COMPUTER, CRESSI COMPUTER

SCUBA DIVE COMPUTER, CRESSI COMPUTER

SCUBA DIVE COMPUTER, CRESSI COMPUTER

Product Description

An elegant expression of simple, functional design, the Leonardo is a must-have for divers entering the sport and those who just want to dive. A single button interface makes it effortless to program Air, Nitrox and Gauge modes the first time a diver picks the computer up, and an edge-to-edge, high-definition screen gives large numerical displays in a computer that is still compact and travel-friendly. The clearly visible battery life indicator and distinct audible alarms deliver critical information as well as peace-of-mind during the dive. The Leonardo can also be fully re-set after each use, making it an excellent choice for rental departments.

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Cressi Leonardo Underwater Single Button Diving Computer, Created in Italy, Quality Since 1946


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Customer reviews

4.3 out of 5 stars
4.3 out of 5
3,004 global ratings

Customers say

Customers like the quality, ease of use, value, and readability of the dive computer. For example, they mention it works well, is easy to understand, and has great features for the price. That said, some complain about the size and visibility of the product. They say the wristband is too long and the back light is weak.

AI-generated from the text of customer reviews

128 customers mention116 positive12 negative

Customers are satisfied with the quality of the product. They mention that it works well in practice, and the adjustments are easy. The dive watch works well, and it saves your dive times and depths. The computer works fine until the battery dies, but it's a great product for the beginner.

"...The Leonardo's features are completely fine for all but extra-technical diving...." Read more

"Fantastic computer and extremely easy to use...." Read more

"...I took it on my dive trip and it was reliable. Had all the features needed. Excited to keep using mine!" Read more

"The perfect beginner diver watch. Easy to understand and intuitive. Logs dives and reminds you how not to die." Read more

100 customers mention78 positive22 negative

Customers find the electromechanical gauge easy to use and set up. They say it's intuitive, works flawlessly, and the operation is straightforward. They also say the manual is adequate and has all the baseline things you need as a diver. Customers say the USB interface works without a lot of hassle, and it has all of the dive info you need at depth.

"...I set it up very fast, I could choose between metters or feet, celsius or farenheit, air or nitrox, safety factor..." Read more

"Easy to use and logs dives accurately. I gave it 4 stars because the band is SO large even tightened on the smallest spot...." Read more

"The perfect beginner diver watch. Easy to understand and intuitive. Logs dives and reminds you how not to die." Read more

"...The beeping is loud and clear underwater. The manual is adequate and it has all the baseline things you need as a beginner recreational diver..." Read more

51 customers mention43 positive8 negative

Customers like the value of the electromechanical gauge. They say it has great features for the price and is a solid computer for a great price.

"...I love how easy to use it is, and that it is inexpensive for a dive computer...." Read more

"...as a new or very occasional recreational diver, this is a solid computer for a great price." Read more

"I liked this watch at first out of the box. It came at a good price and all the basic features I was looking for...." Read more

"First dive computer I've used.Things I like:Good priceEasy to useWorks right out of the boxThings I dislike:..." Read more

44 customers mention38 positive6 negative

Customers find the readability of the dive computer to be great. They mention that it has great features for the price, is easy to set up and use, and has a large face that is easy for them to read and understand. Some say that the buttons are easy to read. Overall, most are satisfied with the read ability of the product.

"...If you're looking for large easy to read numerals, water temp, max depth, No Decomp...." Read more

"...Once I got into de water, it was pretty easy to read (I have 1 point astigmatism in both eyes), with long press I turned the light on for a couple..." Read more

"Basic dive computer, works well, easy to read and all I really need" Read more

"...ProsEasy to use, large button easy to read. The large button is easy to use and the display is not hard to read...." Read more

23 customers mention16 positive7 negative

Customers are mixed about the appearance of the electromechanical gauge. Some mention that it looks good, cool, and basic, while others say that it came in a torn box and looks used, ugly, and difficult to read.

"...Very cool. All in all, no bells or whistles. Just basic." Read more

"I really liked the style and feel but they lack of back light wasn't going to work for me...." Read more

"way too expensive and ugly and difficult to read. not as intuitive as others on the market. battery died before i even hit 40 dives" Read more

"...Its not flashy, but it's safe, dependable, and easy." Read more

58 customers mention16 positive42 negative

Customers are dissatisfied with the size of the electromechanical gauge. They mention that the wristband is too long, and the watch is ridiculously large. Some say that the watch does not fit their small wrist comfortably, and is a little bulky for their small, female wrist.

"...The only little thing I think it might be a cons, is that the watchband is sort of long and is little annoying (check the screenshot and video) and..." Read more

"...I gave it 4 stars because the band is SO large even tightened on the smallest spot. I have normal wrists (I guess?)..." Read more

"...The single button operation is great, and the display is large and easily readable. For the money, this is a great first dive computer." Read more

"...returning it, but as a woman with skinny wrists, this watch was ridiculously large...." Read more

50 customers mention14 positive36 negative

Customers are dissatisfied with the visibility of the electromechanical gauge. They mention that the light display is nominal at best, the back light is a little weak, and the screen is blank. Some say that the time makes beeps and the display looks dead. Overall, customers are not happy with the product's visibility.

"...Replacing them only produces beeps but no display.Maybe if you replace the battery right when the computer is dying, you maybe ok?..." Read more

"...but this time makes beeps and the screen looks dead. No sign of corrosion inside...." Read more

"...long, but we found that when diving a bigger interface is nice and easy to see...." Read more

"...InexpensiveCons:- Poor visibility - The backlight is horrible...." Read more

27 customers mention5 positive22 negative

Customers are dissatisfied with the battery life of the electromechanical gauge. They mention that it didn't work right out of the box, the battery drained out after about a year, and the screens on both of them stopped working in less than 40 dives.

"I love this computer until it stopped working with no reason...." Read more

"...One time the watch did not automatically turn on when I got in the water...." Read more

"The battery drained out after about a year, and after replacing the battery the computer would beep but the screen would not turn back on...." Read more

"...Very easy to use, big screen for my failing eyesight, long lasting battery and I love the colour in white, as it is very recognizable and I am the..." Read more

Large numerals make recognizing your status very easy.
5 Stars
Large numerals make recognizing your status very easy.
There are quite a few unhappy folks regarding battery change concerns. It's possible some of these came from "over tightening" the battery cover or getting silicone grease from 0 ring onto battery contacts.I had no concerns at all, reset the clock/time of day which was on Central time after Cozumel. Set the SF (Safety Factor) to 1 from a 2, since 2 was ending the dive a bit early, which is totally appropriate; I'm going with setting 1 for next dives.The Leonardo's features are completely fine for all but extra-technical diving. (I have been PADI instructor since 1987) .. It handles Nitrox gas users easily, and the user handbook makes it clear to keep the 1.4 setting for all but extreme enhanced oxygen users in the 36 to 40 (02) range. I printed a full 87 page copy of the user book online and have it in a clear binder for easy reference. Recently I had to replace the clear plastic outer cover ($10.00 at Amazon and elsewhere)...inadvertently while I was using an aerosol sunscreen, some spray went down my arm and fogged the screen thru its small ports. It was still barely ok to use and the fog was not clearing up after soapy soaking, easy fix to pop off and pop on a new cover.Truthfully I cannot imagine paying many more hundreds of dollars for another brand. If you're looking for large easy to read numerals, water temp, max depth, No Decomp. time remaining, alerts for safety stop in minutes and feet, plus decompression dive details if you overstay your limits, this works beautifully.GBC
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Top reviews from the United States

Reviewed in the United States on May 23, 2023
Color: Black/greyVerified Purchase
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5.0 out of 5 stars Large numerals make recognizing your status very easy.
Reviewed in the United States on May 23, 2023
There are quite a few unhappy folks regarding battery change concerns. It's possible some of these came from "over tightening" the battery cover or getting silicone grease from 0 ring onto battery contacts.
I had no concerns at all, reset the clock/time of day which was on Central time after Cozumel. Set the SF (Safety Factor) to 1 from a 2, since 2 was ending the dive a bit early, which is totally appropriate; I'm going with setting 1 for next dives.
The Leonardo's features are completely fine for all but extra-technical diving. (I have been PADI instructor since 1987) .. It handles Nitrox gas users easily, and the user handbook makes it clear to keep the 1.4 setting for all but extreme enhanced oxygen users in the 36 to 40 (02) range. I printed a full 87 page copy of the user book online and have it in a clear binder for easy reference. Recently I had to replace the clear plastic outer cover ($10.00 at Amazon and elsewhere)...inadvertently while I was using an aerosol sunscreen, some spray went down my arm and fogged the screen thru its small ports. It was still barely ok to use and the fog was not clearing up after soapy soaking, easy fix to pop off and pop on a new cover.
Truthfully I cannot imagine paying many more hundreds of dollars for another brand. If you're looking for large easy to read numerals, water temp, max depth, No Decomp. time remaining, alerts for safety stop in minutes and feet, plus decompression dive details if you overstay your limits, this works beautifully.
GBC
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19 people found this helpful
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Reviewed in the United States on August 28, 2016
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5.0 out of 5 stars Very easy to use and quite useful
Reviewed in the United States on August 28, 2016
Fantastic computer and extremely easy to use. I decided to buy a computer since have started diving frequently and found that computer aren't that easy to handle, at least for me that I am Advance Open Water Padi and didn't dive with gases yet.

This computer is pretty easy to use, with its single button interface. I set it up very fast, I could choose between metters or feet, celsius or farenheit, air or nitrox, safety factor (I used the default since I am a 'healthy' person) and other parameters that I never used. Since it has 1 single button, the way to use it is short press and long press, where short press is to change the menu and long press is to edit something.

Once I got into de water, it was pretty easy to read (I have 1 point astigmatism in both eyes), with long press I turned the light on for a couple of seconds. Also the best features imho, are the heads up when I go up faster than I should do... it beeps and complains, in the safety stop it indicates easily the amount of remaining minutes. I feel much more confortable diving with it.

I have just come from a dive into the Blue Hole in Belize where we dove at 40m depth (131ft) and it was my first dive so deep and using this computer made me feel more secure.

The standard view into the water is the water temperature, max depth, current depth and current dive time. If you want to take a look you could check my fedepia84 youtube account videos in Belize (the name is "Scuba Diving in Esmeralda spot, Ambergris Caye, Belize"). Or you can check this video at the minute 5:30 where I test going up quickly to test the alarm heads up:
[...]
(Note: if you above this note the "[...]" text is because Amazon removed the link, so you will need to search the name above or check my comment below on this review)

The only little thing I think it might be a cons, is that the watchband is sort of long and is little annoying (check the screenshot and video) and in one moment I didn't notice that the watchband grabber got released... nothing happens but I could have lost it. Next time I'll make sure to grab it tightly.
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158 people found this helpful
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Reviewed in the United States on October 15, 2023
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Enor Tonolli JR
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