Some customers want the absolute dependability of using an analog SPG, single pressure gauge. Tech divers use one as a backup all the time. This computer does it all, EXCEPT air pressure. If you want a watch size and weight item on your wrist rather than something larger, this is your computer.
Genesis Centauri wrist dive computer, GWC-01, $329.00
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If you want small and light on your wrist in a full quality, yet low cost computer and you handle air monitoring separately, this is your computer.