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. The Giotto Computer by Cressi is a recreational advanced tool. It will provide all the necessary information depth, dive times, possible need of decompression, ascent rate and all the surface intervals between dives. Nitrogen absorption and release is continuously processed by its sophisticated software, considering the quantity of inert gas contained in the different mixtures that can be used. This information is shown on the device’s large display via the PCD (Priority Compartment Digit Display) system that allows 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 12/24-hour format clock, calendar and a versatile dive memory (logbook 70 hr. or 60 dives). The mathematical model of Giotto can make saturation and de-saturation calculations of dives carried out both with air and with nitrox in any moment of the dive. In this last case you can set all the parameters related to the mixture of your dive: from the maximum allowed PO2 value from between 17.4 to 23.2 psi (1.2 bars and 1.6 bars), to the mixture’s oxygen percentage (FO2): between 21% and 99% of O2. Additionally, the device may be set by the user for either metric (m-°C) or feet system (ft-°F). The Giotto Dive Computer has a backlight function for low light or night diving conditions, displays depth to 393′ (120m), is altitude adjustable up to 12,139′ (3,700m) and has a user replaceable 3-volt CR2430 battery. The computer comes with a gauge face guard, measures (D x H) 2.6″ x 1″ (65mm x 27mm) and weighs 4.77 oz. (135 g). The Computer also comes with a comprehensive owner’s manual. The Mini-Manometer Pressure Gauge’s luminescent dial reads from 0 to 5000 psi. For at-a-glance monitoring of gas the instruments face is divided into three different Colored Zones: the area from 600 psi and below is highlighted in red with a solid bar and red stripes. If gauge is used on deeper dives, the red scale extends and fades to 1,300 psi, this provides for added reserve air indication required at greater depths. From 600 psi to approximately 3,000 psi is green and from 3,000 psi to end of scale is blue. The front glass lens is made to act as a pressure relief valve. In the event of a sudden increase in pressure inside the instrument, the glass rises slightly, allowing the excess pressure to escape. Pressure gauge comes with a 7/16″ high-pressure hose. Many divers take compasses for granted, considering them just an accessory to their overall gear set-up. Trying to navigate with a poorly designed or improperly functioning compass can be one of diving’s more frustrating events. The Cressi Compass is an oil filled compass, robust and accurate for underwater navigation that ensures accuracy and durability for a long time. The Cressi Compass is a dual-purpose compass. The convenient side window allows quick reference of Large, easy-to-read bearing indicators on a luminescent display for gun sight accuracy. Or, for divers who prefer relative navigation, the ratchet bezel can be rotated easily even with thick neoprene gloves. The luminous dial of the compass is designed with a half black / half luminous graphic to make quick work of compass direction, especially in din light. The compass bezel has Compass Headings in 30°. Numbered increments and indicator marks for every 10°. Bezel has twin heading indicators for alignment of compass course and a lubber line across the compass face. Compass case is manufactured from a scratch resistance polycarbonate for strength and durability. The instruments are housed in a small, modern shaped console boot, made from Polycarbonate and Desmopan, (a thermoplastic polyurethane) two materials that guarantee protection from shocks, scratches and which, at the same time, is very light. The entire 3-guage console is encapsulated in a durable impact resistant console boot with multiple attachment points for clips or lanyards.