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Cressi Dive Computer #7 of 33 in Dive Computers

Cressi Leonardo Dive Computer

The Cressi Leonardo is a fantastic entry-level to intermediate dive computer that balances simplicity, reliability, and affordability.

Cressi Leonardo Dive Computer
Full specification 4 entries
Modes AvailableAir, Nitrox, Gauge, Free-dive
Battery TypeUser-replaceable CR2430
Depth Rating120 meters / 394 feet
Weight75 grams (2.6 oz)

At a glance

Cressi Leonardo Dive Computer is a dive computer from Cressi, rated 4.5 out of 5 and placed 7 of 33 in our dive computers shortlist. Its defining number is depth rating: 120 meters / 394 feet. It scores hardest on bench performance (90/100) and softest on comfort and fit (70/100). The clearest advantage divers report: extremely simple single-button operation, great for beginners.

What the dive computer actually gives you

01Single button intuitive interface for easy navigation
02Large, easy-to-read display with backlight
03User-replaceable battery (no need to send back to dealer)
04Air, Nitrox (up to 50% O2) and Gauge modes
05Deep stop and visual/audible alarms
06Dive log with logbook capacity for multiple dives
07Configurable for imperial or metric units
08Available in multiple colorways including compact size

Where it wins and where it costs you

What works
Extremely simple single-button operation, great for beginnersAffordable price point compared to other dive computersUser-changeable battery saves time and service costsClear, large numerals easy to read underwaterReliable Cressi RGBM algorithm for decompression calculationsCompact and lightweight, comfortable on the wrist
What it costs you
Single button navigation can feel slow for complex menu tasksNo wireless/hoseless air integration optionBacklight can drain battery faster with frequent useBasic design lacks some advanced features of pricier computersNo Bluetooth sync; requires cable/interface for PC download
Our verdict

The Cressi Leonardo is a fantastic entry-level to intermediate dive computer that balances simplicity, reliability, and affordability. Its single-button operation makes it exceptionally easy to learn and use, while the user-replaceable battery adds long-term convenience. While it lacks some bells and whistles like air integration or Bluetooth, it remains one of the most trusted and popular dive computers among recreational divers worldwide.

Full review: Cressi Leonardo Dive Computer

The Cressi Leonardo stands as one of the most popular entry-level dive computers on the market, prized for its straightforward, no-nonsense approach to dive planning and monitoring. Designed specifically for divers who want reliable information without wading through complicated menus, the Leonardo operates on an intuitive single-button interface that controls every function, making it exceptionally easy to learn and use even for those new to dive computers. Its large, high-contrast display presents essential data clearly, including depth, dive time, no-decompression limits, and ascent rate, ensuring that divers can quickly glance at their wrist and understand their status without fumbling through screens mid-dive.

Functionally, the Cressi Leonardo offers three operating modes to match different diving styles: a standard scuba mode using the Haldane-based algorithm with nine tissue compartments for real-time decompression calculations, a gauge mode for divers who prefer simple depth and time tracking, and a free-diving mode tailored to breath-hold divers with surface interval tracking and dive series logging. The computer also includes a visual and audible alarm system that alerts divers to critical situations such as exceeding ascent rate limits, approaching no-decompression limits, or reaching maximum depth thresholds. With a depth rating suitable for recreational diving limits, deep stop capability, and adjustable settings for altitude diving, the Leonardo adapts to varying dive environments while maintaining consistent, dependable performance.

Built with durability in mind, the Cressi Leonardo features a robust, oversized housing with a battery that's user-replaceable, eliminating the need for costly trips to a dive shop for servicing. The device stores extensive logbook data, allowing divers to review past dives including maximum depth, duration, and temperature readings, which is particularly useful for tracking progress and maintaining dive records. Its wrist-mounted design, combined with a reasonable price point relative to its features, has made it a favorite among recreational divers, dive instructors, and rental fleets alike, cementing the Leonardo's reputation as a rugged, reliable, and accessible dive computer for scuba enthusiasts at every level of experience.

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