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GEO 4.0 Computer


GEO 4.0 Computer

Stock No.  04.8940
US$ 439.95
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The Oceanic GEO 4.0 Computer is the latest in the GEO line of watch-style dive computers. This is the perfect computer for the active, mobile and value-driven outdoor enthusiast. Now with Bluethooth connectivity to smartphones, the GEO 4.0 is the perfect companion on your next dive. The Oceanic GEO 4.0 Computer is a watch-style dive computer for the active, mobile and value-driven diver. With a new sporty look and Bluetooth connectivity, the GEO 4.0 connects to your smartphone using DIVERLOG+. No need for additional cables or other attachments, GEO 4.0 allows you to change settings or download your dives to your phone without any hassle.

Want to change your look? GEO 4.0 allows you to swap wristbands and customize your dive computer.

New Design

The Oceanic GEO4.0 Computer has a four-button interface that make navigating the intuitive menu design quick and easy. Whether you need to change your gas, plan your dive or manage your watch settings, the Oceanic GEO 4.0 menus will quickly guide you through your options.


Built in Bluetooth allows your GEO 4.0 to communicate with your smartphone free of cumbersome cables or other attachments. Just download the free DIVERLOG+ software to your iOS or Android device, and you can change your GEO 4.0’s settings or download your dive log. Unlike other dive computers, you won’t need to spend another $100 on interface cables.

Choose Your Algorithm

The Oceanic GEO 4.0 Computer is powered by the Pelagic Dual Algorithm™ decompression models. Divers can select from either the Pelagic Z+ algorithm or the Pelagic DSAT algorithm. The Pelagic Z+ algorithm is similar to the more conservative RGBM models found in our Mares and Suunto computers. The Pelagic DSAT algorithm follows the PADI dive tables and safely maximizes dive times for repetitive, multi-level recreational diving.

User Replaceable Battery

The Oceanic GEO 4.0 Computer features a 3 volt CR2430 user replaceable battery. Your battery should last up to 300 dive hours.

Get yours today!

Decompression Model  Dual Algorithm™. Allows you to choose between Pelagic DSAT (Spencer/Powell data basis) or Pelagic Z+ (Buhlman ZHL-16C data basis).
Nitrox Yes (21-100%)
Programmable Gas Mixes Yes: up to 2 gases
Digital Compass No
Freedive Mode Yes
Bottom Time Yes
Stopwatch Timer Yes
Air Integration Capable No
Max Operating Depth 100 meters/330 feet
Logbook Up to 24 dives
Audible Alarms Yes
Time, Date Yes
Backlight  Yes
Altitude Adjustment Yes (Auto)
Fresh/Salt Water No
PC Downloads Yes
Battery CR2430 (user replaceable)

User Manual: Geo 4.0 Manual (PDF)

View the Video Tutorial


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