Reply to post: Re: Isn't that what the watches with the numbered bezels are for?

Suunto settles scary scuba screwup for $50m: 'Faulty' dive computer hardware and software put explorers in peril

Paul Johnson 1

Re: Isn't that what the watches with the numbered bezels are for?

No, these are not just watches. They have pressure sensors and they track your depth over time to compute how much air you have used (greater depth means more air usage) and nitrogen absorption in order to give you a decompression schedule. The algorithms are complicated and the results obviously safety-critical.

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