Computer Action H.R.SEAC Action HR Dive Computer SEAC Action HR Dive Computer Black Overview Experience the ultimate in underwater technology with the SEAC Action HR Dive Computer. Designed for both scuba divers and freedivers, this high performance wrist mounted device ensures precise monitoring and management of your dives, providing a perfect blend of functionality and durability. Key Features Multiple Dive Modes: SCUBA Mode: Utilises the Bhlmann ZHL 16C decompression