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Cressi Leonardo Wrist Computer

Exclusive Edition Limited Availability "Black/Red" Color

66 reviews
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About Cressi Leonardo

Featured Reviews

See all 66 reviews

Excellent computer

By Scuba S.

Excellent computer for the price!! A great computer for the beginner and advanced diver. Air and Nitrox with a "Gauge" mode. I have tried several dive computers and kept coming back to the Leonardo every time. Easy to operate and even easier after using the class that is included with the computer purchase. The display is very easy to read because of the large numbers. It may not be a big deal, but I like the fact that you can turn off the computer between dives. It still keeps up with the d...

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Excellent dive computers for beginner/intermediate divers

By Dale S.

 -  Morristown, TN, US

I got this as my dive computer to use for my basic and advanced open water scuba certification, and for vacation diving. I've taken it down to 119 feet myself, with no issues. In fact, a few other divers I went with had the same dive computer, and our instructors also said they were one of the best you could get in this price range, and it's perfect for beginner/intermediate divers (or even more advanced divers that don't do tech diving), or those that can't afford $1000+ for a dive compute...

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The Cressi Leonardo Wrist Computer is an elegant expression of a simple and 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. Leonardo has a large edge to edge, high definition LCD screen that gives large numerical displays in a computer that is still compact and travel friendly. The Leonardo's easy to see battery life icon indicator and its distinct audible alarms deliver critical information as well as peace of mind during the dive.

The Leonardo features a new Cressi RGBM Algorithm, created in conjunction with the expertise of Bruce Wienke and based on the Haldane model, integrated with RGBM factors. This Algorithm allows for safe decompression calculations for multiple dives spread out over multiple days. The Leonardo computer by Cressi is a multifunctional instrument for sport diving. It will supply any wanted information on depth, dive times, decompression status, ascent rate and surface interval times between dives. Nitrogen absorption and release is continuously processed by its sophisticated software, considering the quantity of inert gases in the different mixtures which can be used. Such information is displayed on the instrument's large display, thanks to the PCD (Priority Compartment Digit Display) system, allowing an easy and direct dialogue between the diver and the computer, ensuring a clear understanding of all the data needed at any given time and a perfect readability in any situation. The computer is provided with clock and calendar, a versatile dive memory (logbook), as well as a dive simulator. The mathematical model of Leonardo can make saturation and de-saturation computations of dives carried out both with air and with nitrox, whose parameters can all be set: from the maximum allowed PO2 value between 17.4 and 23.2 psi (1.2 bar and 1.6 bar), to the mixture's oxygen percentage (FO2) between 21% and 50% of O2. Additionally, the instrument may be set by the user for either imperial (feet) or metric (meters) system. The Leonardo can also be fully re-set after each use, making it an excellent choice for rental departments.

The Cressi Leonardo Dive Computer has an operational depth from 0' to 393' (0 to 120 meters), is powered by a user replaceable CR2430 3-volt battery and is equipped with a 60 dive (70 hour), logbook memory function. The clock function can be set in a 12/24-hour formats. The computer is also altitude adjustable up to 12,139' (3,700 meters) and has a back-light feature for low light conditions. The computer comes with a comprehensive owner's manual.

DIVE PINK & FIGHT BREAST CANCER! For every Pink Computer $20 will be donated to fight breast cancer.



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 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: CR2430.
  • The interface (not included) uses IR to connect to the diving computer and a USB cable for PC connection. Software compatible with all versions of Windows and with Mac.
  • The Leonardo dive computer is made in Italy by Cressi, a brand pioneer in Scuba Diving, Snorkeling and Freediving equipment.


Made in Italy by Cressi

The Leonardo can also be fully reset after each use, making it possible to give to another diver. The Leonardo is developed and made in Italy by Cressi, a brand pioneer in Scuba Diving, Snorkeling and Freediving equipment.



A single button interface makes it effortless to set 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. Easy configuration, navigation through the various menus and access to a large amount of information displayed intuitively.


User-Friendly Display System

Features a User-Friendly Display System: the information display, screen contrast, proportions and digit size have been carefully chosen for ease of use. All of the information presented is separated by light lines to facilitate reading even in stressful or emergency situations. Back-lit display activated by a button or when the alarm sounds. Extended battery life through a combination of systems: battery saver mode when the computer is not used with automatic power-on. Power-saving processor and CR2430 battery replaceable by the user without tools.


Warranty Information

This product has a limited warranty of 24 months.


Cressi Leonardo Features

  • Cressi Leonardo Wrist Computer:
  • Elegant Expression of a Simple and Functional Design
  • For Divers Who "Just-Want-to-Dive"
  • Single Button Interface for Effortless Programming
  • Modes: Air, Nitrox and Gauge
  • Large Edge-to-Edge, High-Definition LCD Screen
  • Large Numerical Displays
  • Compact and Travel-Friendly
  • Easy-to-See Battery Life Icon Indicator
  • Distinct Audible Alarms
  • Algorithm: RGBM Algorithm, Bruce Wienke/Haldane Model
  • Safe Decompression Calculations for Multiple Dives Over-Multiple Days
  • Multifunctional Instrument for Sport Diving
  • Depth, Dive Times, Decompression Status
  • Ascent Rate and Surface Interval Times
  • Nitrogen Absorption and Release is Continuously Processed
  • PCD (Priority Compartment Digit Display) System
  • Easy and Direct Dialogue" Between Diver and Computer
  • Perfect Readability in Any Situation
  • Clock, Calendar and Temperature
  • 12/24 Hour Formats
  • Versatile Dive Memory (logbook): 60 Dives or 70 Hours On-Board Log
  • Dive Simulator Function
  • PO2 Value between 17.4 and 23.2 psi (1.2 bar and 1.6 bar)
  • (FO2) between 21% and 50% of O2
  • Imperial (feet) or Metric (meters) System Selectable
  • Reset Function for Multiple Users
  • Operational Depth: 0' to 393' (0 to 120 meters)
  • User Replaceable CR2430 3-Volt Battery
  • Altitude Adjustable Up to 12,139' (3,700 meters)
  • Back Light Feature for Low Light Conditions
  • Comprehensive Owner's Manual

Cressi Leonardo Wrist Computer Customer Reviews

Review Summary


(based on 66 reviews)


of respondents would recommend this to a friend.

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Most Liked Positive Review


Excellent computer

Excellent computer for the price!! A great computer for the beginner and advanced diver. Air and Nitrox with a "Gauge" mode. I have tried several dive computers and kept coming back to the Leonardo every time. Easy to operate and even easier after using the class that is included with the computer purchase. The display is very easy to read because of the large numbers. It may not be a big deal, but I like the fact that you can turn off the computer between dives. It still keeps up with the d...

View full Review


Most Liked Negative Review


22 dives and counting

Bought this computer without doing enough research and not knowing what to look for. The computer is okay but I'm surprised that for a beginner level it doesn't not have a timed stay stop. Will probably sell this one and buy one that has that feature. Sorry cressi.

Reviewed by 66 customers


Great Wrist Computer at a great price!

By Bill M.

from Franklin, OH, US

Simple one button operation is intuitive and easy to use. Why not?



By wesley a.

I love the watch


Great back up computer

By Artur G.

from Stuart, FL, US

Great computer, I use it as a back up! Works perfect!Easy to use.


great compauter


from Portland, OR, US

This is a great, easy to use computer for recreational diving. Even if I buy a new air integrated one, I will use this as a back up!


Cressida Leonardo

By William K.

Great price, great service!


Our first dives, very good !

By beth m.

The cressi Leonardo did fine in a very limited test run of four dives under 40 feetIn Mexico over Xmas. Big improvement over the Pucks we had in terms of readibility. Did not compute safety stops as they weren't required for these dives though we did them anyway. So we will have to add on to this review after our next deep dives in March. So far, recommend!


Nice for the price

By Raymundo A.

It’s a very simple computer to use, I bought this computer for my kids (18, 17 and 15 years old) and they love it, they dive nitrox and is really easy to set it up


Great Computer.

By Dennis S.

from Corpus Christi, TX, US

Easy to read, and use. Gives me all the information I need. 20 dives on it and I love it!


Best computer out there

By Joe W.

from Topeka, KS, US

Easy to read, has all the info you need. Easy to operate, alarms are loud enough to hear. For the money, this can't be beat!


Simple To Use


from Charleston, WV, US

I had a Cressi Dive Computer for 10 years that broke and I replaced it with the Cressi Lenoardo. This is easy to use and unlike my old dive computer, I don't have to set for nitrox each dive. The wrist band is super long so I cut it down for my narrow wrist.




from Morehead City, NC, US

Excellent computer that will meet the needs for diving both air and NITROX. User friendly and easy to navigate menus.


Get one, at least for a backup!


Excellent value! Performed well, I guess... I'm still alive and didn't get a deco hit :)


Great buy!

By Gary O.

This is my first dive computer, so I have nothing to compare it to. It is super easy to navigate through the menus. I love the large, easy to read display. It shows all of the “Need to know“Information at a glance.Backlit display provides ample light during night dives. Ascent alarm was clear and loud. Automatic safety stop timer was very helpful as well.A really good bang for your buck!


Easy to use!


from Beavercreek, OH, US

Easy to use, easy to see, just a good computer! Although the computer was larger than I expected it was simple to use and easy to read. I recommend the Leonardo to all levels of divers.


First dive computer

By Aimee H.

Great watch for a first dive computer! It has all the features you need and it’s easy to read. I’m not sure how to mute it but that will be beneficial because it sounds when I’m ascending too quickly but it disturbs the other divers. All in all I love it! Great purchase and I recommend it for anyone looking for their first dive computer.


Questions & Answers

Questions about this item:

Shopper  Why Did You Choose This?
Brad B  I dove with this model in Granada. Works well
Rodger L  Reviews and price
Pedro A I  Easy to use
Forrest W  Back up computer and simplicity of use and want future ability for NITROX tables which my current console computer does not have
Glenn M  price
brock j  Reviews looked great! Can't wait to use in Fiji this summer!
Phillip M  Excellent watch
fishjumping f  The Cressi Leonardo has all the basics my wife and I need for Traveling . and will make a great backup when we upgrade to air integrated computer.
neal p  recommendation based upon simple use and easy visibility
Ralph O  After researching an relative inexpensive but quality dive computer I decided on this model. Highly rated, good reviews.
Lim J  Good Price
Laura B  "Good quality and availability. Friendly service and courteous customer service."
LUKE O  Recommended by Diving friends. Great reviews, and great price on Leisure Pro.
ANA O  Do you need to purchase the computer download separately? Or will the computer suffice for diving?
MARGARET B  Nope. Don't need to purchase download. Stores enough info for you to properly fill out log book.
BOB S  I did not purchase a computer download and have had no issues in my many dives
MICHAEL B  It’s been a while since I used it but to the best of my recollection, we used it right out of the box. Hope that helps.
DIMITRI M  The computer is enough for diving. The download kit lets you save your logs to a regular computer and view the profiles etc. in software (I use subsurface).
Antoni G  You need to purchase the computer AND download cradle and USB cord either as a package or separately. LP sells it either way BUT the watch itself has no Bluetooth or MicroUSB connection to do the data input to your computer. You download the soft ware through the Cressi site or via the CD-ROM packaged with the cradle. You might want to download the soft ware from Cressi and run it and see if you like the visual interface and separate data charts for dives . Its basic but has all the needed beels and whistles like depth, temperature, profile etc. hope this helps
TOM H  The Leonardo is enough by itself.
KEVIN B  My wife uses this computer out of the box and has been a great computer.
Stephanie H  Does this computer show SI time, NDT time, and safety stop time? And do they all display the seconds as well as the minutes?
PARTH V  Yes 15 feet safet time in minutes, the rest. Ndt time, you mean non deco. Yes it should . But sit out time for multi dives you should have table to check max depth time as it does not carry over from last dive. It’s discreet.
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