The Proven Technical Dive Computer — Now in Two Generations
The Shearwater Perdix carries on the legacy of the legendary original Perdix: a do-it-all technical dive computer that is equally at home on a recreational reef dive in Roatán and on a deep trimix or rebreather dive. Its rugged, low-profile design and famously clear interface have made the Perdix a favorite of technical instructors and explorers worldwide. Choose the model that fits the way you dive.
Perdix 2 — The Trusted Standard
- Bright 2.2″ full-color display with a toughened aluminosilicate glass lens for clarity and impact resistance.
- Armored casing with a precision titanium bezel and titanium piezo buttons that work with wet, gloved hands.
- Standard AA battery power — swap in a fresh lithium AA on a liveaboard or in the field, no charging required.
- Bluetooth with free Shearwater Cloud software for dive downloads and firmware updates.
Perdix 3 — Brighter, Sharper, Faster
The Perdix 3 keeps everything divers love about the Perdix and steps up the display and electronics:
- Larger, brighter AMOLED display with 4× higher resolution for outstanding visibility in any conditions.
- 6× faster Bluetooth for quicker dive-log downloads and firmware updates, plus enhanced data security.
- Updated user interface with programmable quick-change settings and advanced decompression-stress monitoring.
- Same rugged, AA-powered, field-serviceable platform you can rely on.
Air Integration That Grows With You
Both Perdix models are air-integration capable, pairing wirelessly with up to four Swift transmitters. Add any mix of Swift and Swift GPS transmitters above to monitor tank pressure and gas time remaining (GTR) across your back gas, stages, and deco bottles — the GPS model also logs surface entry/exit positions. Four transmitters make the Perdix ideal for advanced multi-tank, sidemount, and rebreather diving.
Modes for Every Diver
Open Circuit Rec, Open Circuit Tech (with full trimix and Bühlmann ZHL-16C + GF or VPM-B), Closed Circuit / Bailout, and Gauge modes make the Perdix a single computer you can dive from Open Water through advanced technical and rebreather diving.

