Choosing dive computers & instruments is less about price alone than matching the setup to the dive: do you want a watch with a transmitter, a console with Nitrox support, a compass, or a lower listed price with a condition caveat? These four options span $119.95 to $325, so the right shortlist depends on which feature you will actually use.
Quick take
- Oceanic Atom 2.0 Dive Computer Watch: The direct match for a wrist-based setup with Nitrox and a transmitter.
- Suunto Cobra Dive Computer: A new console with RGBM, Nitrox, real-time tank-pressure monitoring, and an extra battery.
- Suunto Cobra Compass Console: The lowest-priced choice with a compass and protective case, but it is used and untested.
- Oceanic Atom 3.1 Dive Computer: A used full-kit option with an extra strap, battery, interface cable, and paperwork.
Listed-price comparison
The listed-price spread is $205.05, from the Suunto Cobra compass console to the Oceanic Atom 2.0. The bars below show the supplied relative price positions without turning the gap into a discount claim.
| Product | Listed price | Price bar | Condition |
|---|---|---|---|
| Oceanic Atom 2.0 Dive Computer Watch | USD 325.00 | Used | |
| Suunto Cobra Dive Computer | USD 200.00 | New | |
| Suunto Cobra Compass Console | USD 119.95 | Used | |
| Oceanic Atom 3.1 Dive Computer | USD 250.00 | Used |
Decision matrix
- Wrist format plus a transmitter: Oceanic Atom 2.0.
- New console with RGBM and Nitrox: Suunto Cobra Dive Computer.
- Compass console at the lowest listed price: Suunto Cobra Compass Console, provided its untested condition fits your buying criteria.
- Atom 3.1 model with a broad accessory package: Oceanic Atom 3.1 Dive Computer.
Product notes
Oceanic Atom 2.0 Dive Computer Watch

The Oceanic Atom 2.0 is a direct match for a wrist-based setup because its title identifies a dive computer watch with air integration, Nitrox, and a transmitter. The package also names a USB cable, extension strap, watchface protector, manuals, and battery replacement tool. Its limitation is upkeep: the computer has new batteries, but the transmitter requires batteries supplied separately. It is also described as an older, used model, despite being in like-new condition after checkout dives. Choose it when wrist format and transmitter use matter more than keeping the purchase at the lower end of this comparison.
Suunto Cobra Dive Computer

Suunto Cobra Dive Computer puts the emphasis on a console package. It combines air integration, RGBM, Nitrox, an extra battery, and real-time tank-pressure monitoring. The named modes include Air, Nitrox from 21% to 50%, and Gauge, while the display has a backlight and audible alarms. New condition is another concrete reason to choose it. The limitation is form factor: it is a console rather than a wrist watch, so it suits a different setup decision from the Oceanic Atom 2.0. Its technical display and alarm features add useful specificity, but numeric depth and altitude ratings do not by themselves establish a better choice.
Suunto Cobra Compass Console

Suunto's Cobra Air Integrated Scuba Dive Computer Compass Console is the lowest-priced choice here, and the compass is its clearest distinguishing feature. A protective case is included, making the package relevant to a shopper who wants a console-and-case setup. The important limitation is explicit: the unit is listed as untested and used. That condition should drive the decision rather than sit in the fine print. Choose it when the compass and lower listed price matter more than a confirmed operating description; avoid it when untested equipment does not fit your buying criteria. The product is identified as a Suunto model from Finland.
Oceanic Atom 3.1 Dive Computer

Oceanic Atom 3.1 is the package-oriented option. The included items are an extra strap, extra battery, battery-change tool, PC interface cable, CD, box, and paperwork, while the title calls it a full kit. Its used condition comes with a stated history of 4-5 dives, and the factory screen protector remains in place. Those details give shoppers a concrete accessory package and usage history to weigh. The limitation is that the purchase is still used, even with the like-new presentation described. Choose it when the Atom 3.1 model and included accessories matter more than selecting the lowest-priced option.
Final recommendation by use case
- For a wrist computer with a transmitter: Choose the Oceanic Atom 2.0 Dive Computer Watch for its watch format, Nitrox wording, transmitter, and named accessories.
- For a new console with multiple named modes: Choose the Suunto Cobra Dive Computer for RGBM, Nitrox, Gauge, tank-pressure monitoring, and an extra battery.
- For a compass-focused setup: Choose the Suunto Cobra Compass Console if the untested used condition is acceptable.
- For a kit-centered Oceanic choice: Choose the Oceanic Atom 3.1 Dive Computer when its full-kit contents and 4-5-dive history are the deciding details.
The main fork is straightforward: prioritize the exact instrument format and feature you want first, then use the listed price and condition to separate the remaining matches.