Cressi

Cressi Giotto

Cressi's first fully in-house mixed-gas computer, with 3-gas nitrox support.

Cable sync only (libdivecomputer)

Third-party apps can read it, but only over a USB/serial cable, not wirelessly.

Cressi Giotto
2.0Comparison Score
$449
Buy on Scuba.com
Released2013
Max depth rating120m
AlgorithmBühlmann ZHL-16C with RGBM
Air integrationnone
Wireless—
DisplayLarge high-definition display
Batteryuser-replaceable
Digital compassNo
Gas typesair, nitrox
Gas switches3
CCR capableNo

"Gas switches" is how many different mixes this computer can be programmed to switch between mid-dive, mostly relevant for technical/staged-decompression diving. It doesn't tell you which gas types (air, nitrox, trimix) are supported. See Gas types and the product description above for that.

Pros
  • Bühlmann ZHL-16C algorithm with RGBM, a step up from Cressi's older pure-RGBM computers
  • Handles up to 3 nitrox mixes per dive
  • User-replaceable CR2430 battery
Cons
  • Bluetooth requires a separate BT Interface accessory, not built in
  • No digital compass
  • No wireless or hose air integration on this model
Diver community sentiment
Mixed opinions

On Scubaboard, owners generally describe the Giotto as a solid, straightforward recreational computer, one owner liked it enough to buy a second unit to keep the same algorithm across two computers. The most substantive complaint thread centers on a battery/moisture reliability issue: an owner reported a replacement battery draining within days with no use, which other posters attributed to a possible battery-compartment seal failure, warning that Cressi may deny warranty coverage if moisture intrusion is found. In a comparison thread against the Aqualung i300, experienced divers characterized the Giotto's RGBM algorithm as more conservative than competing algorithms on repetitive dives.

Scubaboard: battery drain/warranty complaint threadScubaboard: Giotto vs Aqualung i300 algorithm comparisonScubaboard: owner satisfaction, buying a second unit

Summarized from public forum discussion (Scubaboard, Reddit, and similar), not a survey we ran ourselves. See the linked threads for the original conversations.

Cressi bills the Giotto as its first mixed-gas computer designed and built entirely in-house, running Bühlmann ZHL-16C with RGBM rather than the RGBM-only algorithm on the Leonardo and Goa. It targets divers who want 3-gas nitrox planning without stepping up to a technical-diving brand.