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Cressi Giotto Wrist Computer

Giotto is the first mixed gas dive computer designed and built entirely by Cressi.

Giotto's 3-Button Interface makes it effortless to program Air, Nitrox and Gauge modes from the first time a diver picks the computer up. The High-Definition Screen has 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 Giotto can also be fully reset after each use, making it an excellent choice for rental departments.
The Cressi Giotto computer has a new algorithm created through a collaboration between Cressi and Bruce Wienke based on the Haldane Model, integrated with RGBM factors for safe decompression calculations in repetitive multi-day dives and with gas mixtures. The software handles two different hyper oxygenated mixtures, which can be selected during the dive.


  • Tissues: 9 saturation half-times ranging from 2.5 to 480 minutes.
  • "Dive" Program: Full processing of dive data, including decompression if applicable, for every dive
  • performed with Air or Nitrox.
  • Full setting of FO2 parameters (oxygen percentage) and PO2 (oxygen partial pressure) with the option to set PO2 between 1.2 bar and 1.6 bar, and FO2 from 21% and 99%.
  • Option to take a Nitrox dive after one with air (even while desaturating).
  • Gage setting option (depth gauge and timer).
  • Deep stop can be turned on or off.
  • Replaceable protective display screen.
  • User-replaceable batteries.
  • Planning: decompression curve scrolling.
  • User can switch units of measure from Metric (meters and C°) to Imperial (feet and F°).
  • Visual and auditory alarms.
  • Graphic CNS oxygen toxicity indicator.
  • Backlit display
  • Built-in calendar and clock.
  • Log book (70 hr or 60 dives) complete with dive profile.
  • Dive history saved.
  • Option for full reset if needed, helpful when renting the device.
  • PC/Mac interface with simulator and dive profile (optional)

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Question asked
on 9/15/2014
Hello Bill! What is the difference between the Cressi Sub Giotto Wrist Dive Computer, and the Cressi Sub Giotto C2 Wrist Dive Computer (Imperial)? Thanks so much!!
Answer by Bill
on 9/16/2014
Hello, the C2 is the 2 gauge console otherwise these are the same computers just one a wrist and the other a gauge. Hope this helps. Thanks, Bill