Petrel 3


Rugged and Reliable
Rigorous testing to the highest standards, commitment to safety and proven reliability over thousands and thousands of dives have earned Shearwater divers’ trust all over the world.


This is rigorous and the chosen computer for the hardy Tech Diver, Petrel 3. 

OC Recreational
Three gas nitrox computer with features for the serious recreational diving enthusiast. Includes adaptive safety stop and NDL bar graph

OC Technical
5 OC gases Trimix enabled by default

Closed Circuit/Bailout
5 OC/5 CC gases
Trimix enabled
Constant PO2 for closed circuit

Depth, time, resettable stop watch function
Full dive logging