Cressi Giotto Black/Silver
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Vai al moduloThe Cressi Giotto Black/Silver is the wrist-worn scuba dive computer with a modular design and a stainless steel finish, made for divers who want a large, readable display and Nitrox management with in-dive gas switching: Air, Nitrox and Gauge modes, the Cressi RGBM algorithm and a large UFDS (User Friendly Display System) screen. Cressi is a Genoa-based brand active since 1946. This version comes in the Black/Silver colour (manufacturer code KS740057).
Why choose the Cressi Giotto
- Large UFDS display with backlight and big digits for a clear, intuitive read-out; the protective screen is replaceable.
- Nitrox with gas switching during the same dive: first mix up to 50% O2, later mixes up to 99%.
- Cressi RGBM algorithm, developed with Bruce Wienke, with a deep stop that can be switched on or off.
- Saturation reset from the menu, useful for rental and dive courses.
- Long-life CR2430 battery, user-replaceable.
Main features
Air, Nitrox and Gauge modes
In Air mode the computer calculates no-decompression time, desaturation and no-fly time. In Nitrox (EAN) mode you set the oxygen percentage and the PO2 from 1.2 to 1.6 bar (default 1.4 bar); you can also switch to Nitrox after an air dive. Gauge mode turns the instrument into a depth gauge and timer, without decompression calculations, and is also suited to freediving. According to the manual, after Gauge use the computer does not calculate saturation for 48 hours.
Safety and alarms
- Ascent rate indicator and alarm
- 3-minute safety stop between 5 and 3 metres after dives deeper than 10 m
- Deep stop that can be switched on or off and an adjustable safety factor (SF0, SF1, SF2)
- Four altitude levels, up to 3,700 m, set manually
- Graphic CNS oxygen toxicity indicator and PO2 alarm
- Decompression warning and omitted-stop alarm
Logbook, watch and computer connection
The logbook stores the last 60 dives with the profile of each, alongside a dive history. Out of the water the instrument shows time, date and temperature. With the optional Cressi interface (sold separately) you can download your dive data and profiles to your computer.
Ideal for courses and rental
The saturation reset function in the menu makes the Giotto suitable for schools and rental. The reset must never be used if the instrument is going to be used on subsequent dives.
Technical specifications
| Brand | Cressi |
|---|---|
| Model | Giotto – Black/Silver |
| Manufacturer code | KS740057 |
| Modes | Air, Nitrox (EAN), Gauge |
| Algorithm | Cressi RGBM (with Bruce Wienke), 9 compartments with half-times from 2.5 to 480 minutes |
| Nitrox | In-dive gas switching, O2 from 21% to 99% (first mix up to 50%), PO2 from 1.2 to 1.6 bar |
| Depth gauge | 0–120 m, accuracy ±1% (at 20 °C), resolution 10 cm up to 100 m |
| Thermometer | −5 to +40 °C |
| Logbook | last 60 dives with profile |
| Altitude | 4 levels, up to 3,700 m (manual setting) |
| Battery | 3 V CR2430, user-replaceable |
| Interface | Optional Cressi interface (sold separately) |
| Display | Large UFDS with big digits and backlight; replaceable protective screen |
Other Cressi dive computers
If you prefer a single-button dive computer, take a look at the Cressi Leonardo 2.0 Black; the Cressi range also includes the Cressi Raffaello Black/Blue.
Frequently asked questions
Does the Cressi Giotto support Nitrox and multiple gas mixes?
Yes. It lets you switch gas during the same dive: the first mix can go up to 50% O2 and later mixes up to 99%, with PO2 from 1.2 to 1.6 bar. Cressi recommends using Nitrox mixes only after completing a specific course and always checking the O2 percentage set before every dive.
Can it be used for freediving?
Yes, in Gauge mode, which works as a depth gauge and timer without saturation calculations. After Gauge use the computer does not calculate saturation for 48 hours.
What battery does it use and can I replace it myself?
It uses a 3 V CR2430 battery that the user can replace. The manual gives an average life of about 2 years with 50 dives a year and states that replacing the battery erases the desaturation data, date and time.
Can I download my dives to a computer?
Yes, with the optional Cressi interface and Cressi software: dive data and profiles can be transferred to your computer.
Safety note: the Giotto is designed for recreational sport use and not for professional use. No dive computer eliminates the risk of decompression sickness, and it does not replace diver training and preparation. Cressi sets 40 m as the limit for sport diving.
