Aqualung

Aqualung i770R

Aqualung's flagship watch-style computer with a TFT color screen and 4-transmitter air integration.

Open BLE sync (libdivecomputer)

Syncs wirelessly with third-party apps (Subsurface, Currents, etc.), not just the manufacturer app.

Aqualung i770R
3.7Comparison Score
$899
Buy on AmazonBuy on Scuba.com
Released2018
Max depth rating100m
AlgorithmPelagic Z+
Air integrationwireless
Wirelessbluetooth
DisplayUltra-bright TFT color screen
Batteryrechargeable
Digital compassYes
Gas typesair, nitrox
Gas switches4
CCR capableNo

"Gas switches" is how many different mixes this computer can be programmed to switch between mid-dive, mostly relevant for technical/staged-decompression diving. It doesn't tell you which gas types (air, nitrox, trimix) are supported. See Gas types and the product description above for that.

Pros
  • Compatible with up to 4 transmitters and gas mixes on a single dive
  • 3-axis full-tilt compass with bearing lock and reciprocal heading
  • Bright TFT color screen with smooth transitions
Cons
  • Rechargeable battery, no field-swappable option
  • Premium price versus the i200C/i300C in the same lineup
  • 100m depth ceiling keeps it recreational/light-tec, not deep trimix
Diver community sentiment
Mixed opinions

Scubaboard sentiment leans cautionary despite positive marketing and a ScubaLab "Testers Choice" nod for screen readability and features. A dedicated "Problems with the i770R" thread documents recurring hardware issues: buttons becoming unresponsive during dives, the unit erroneously resetting to sea-level depth readings mid-dive at altitude, freezing and data loss, Bluetooth sync failures, and charging faults. One diver reported receiving five replacement units over 14 months before switching to a Shearwater Perdix. Multiple veteran divers say they avoid Aqualung computers generally and recommend Shearwater instead, though forum veterans acknowledge the i770R's screen and feature set are appealing on paper.

Scubaboard: Problems with the i770RScubaboard: i770R experience threadScuba Diving Magazine: i770R Testers Choice review

Summarized from public forum discussion (Scubaboard, Reddit, and similar), not a survey we ran ourselves. See the linked threads for the original conversations.

The i770R is Aqualung’s current flagship recreational computer, replacing the OLED-based i750TC with a TFT color screen and support for more simultaneous transmitters. It’s the option Aqualung points buyers toward now if they want color, compass, and full air integration in one watch-style unit.