Oceanic GEO 4.0 Wrist Dive Computer

OceanicSKU: 218130-02

Color: White
Sale price$439.95 USD
Shop Open Box or Pre-Owned


  • For beginners and advanced divers
  • 4 Modes of Operation
  • Bluetooth 4.0 connection to Diverlog+ interface
  • Max depth – 100 m; 330'
  • Dual Algorithm


Oceanic GEO 4.0 will be an excellent computer for both novices and experienced scuba divers and freedivers. It features a stylish sporty design and will be comfortable to wear on a bare hand or over a wetsuit, regardless of the thickness.

Dual Algorithm allows you to switch between algorithms as needed or sync with your diving buddy’s algorithm. This feature significantly simplifies daily diving together. Adjust between DSAT or Pelagic Z+ through the DiverLog+ App.


  • Stay connected in style. An updated display area with larger, crisper digits is visible in any lighting. For worse conditions, GEO 4.0 is equipped with a backlight. GEO 4.0 connects to your smartphone via Bluetooth 4.0 through the free Diverlog+ App. 

  • Pre-dive. Plan your dive with alerts for time and depth, select your display, adjust the dual Nitrox mixes, and switch the Dual Algorithm™ and gas mixes while getting ready. 

  • Post-dive. You can download your dive the second you get on the surface, view your most recent dive profile and information, add photos and videos, and use the search query to filter by location, dive type, and depth. 


Oceanic GEO 4.0 has 4 modes of operation.

  1. Watch: alternate time, chronic, daily alarm, countdown timer
  2. Norm: Air and Nitrox. 2 Nitrox mixes up to 100%
  3. Gauge: includes run timer
  4. Freedive: tracks calculations to allow switching between NORM and Free


Product Highlights:

  • For beginners and advanced divers
  • Stylish sporty design
  • 4 Modes of Operation
  • Bluetooth 4.0 connection to Diverlog+ interface
  • Dual Algorithm: Pelagic Z+ (Buhlmann ZHL-16c) or DSAT
  • 2 Nitrox mixes up to 100%
  • Auto firmware update
  • Auto altitude adjustments (610 – 4200 m; 3,000' to 14,000')
  • Max depth – 100 m; 330'
  • User-replaceable battery
  • 24 dives log memory, up to 99 free dives
  • Visual and audible alarms
  • Backlight LCD
CA Residents: Prop 65 Warning(s)

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