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 and peace of mind during the dive.

The Leonardo can also be fully reset after each use, making it an excellent choice for the rental department.


  • Air, Nitrox, and Gauge modes
  • FO2 adjustable between 21% and 50%
  • PO2 adjustable between 1.2 BAR and 1.6 BAR
  • CNS oxygen toxicity graphic indicator
  • Single-button interface
    (short push changes function,
    longer push selects functions)
  • Three levels of user-adjustable conservatism
  • User-selectable Deep Stop function
  • Modified Haldne and Wienke algorithm
  • Ascent rate alarm (10 m per minute)
  • Logbook for 60 dives/75 hours of information with a 20-second sampling rate
  • Battery life indicator
  • Distinct, easy-to-hear audible alarms
  • User-changeable battery
  • Adjustable unit of measure: English or Metric
  • Backlit display
  • Built-in calendar and clock
  • Possibility of eventual total reset, useful for renting purposes

Product concept & technology


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User reviews