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Demosthene · 25 October 2010, 05:03 PM

I mentioned a submarine because any diver that the watch is strapped to won’t have a hope of surviving a fraction of the depth it’s capable of.
If the watch itself is in a pressurised environment then it’s essentially at surface pressure.

Oxygen becomes toxic at 1.6 bar partial pressure, giving a maximum safe diving depth on ordinary air of around 70 metres. To go below that you need to start breathing Deep-diving Gas Mixtures. At 300 metres the pressure has increased by 30 atmospheres, meaning the air volume of the lungs has been compacted 30 times. This brings the danger of the lungs imploding or exploding depending on the pressure difference.

At DSSD depths the proteins in your body would probably explode from the pressure.

So yes very very deep

25 October 2010, 05:03 PM	#27
Demosthene "TRF" Member Join Date: Oct 2007 Location: Perth Australia Posts: 1,326	I mentioned a submarine because any diver that the watch is strapped to won’t have a hope of surviving a fraction of the depth it’s capable of. If the watch itself is in a pressurised environment then it’s essentially at surface pressure. Oxygen becomes toxic at 1.6 bar partial pressure, giving a maximum safe diving depth on ordinary air of around 70 metres. To go below that you need to start breathing Deep-diving Gas Mixtures. At 300 metres the pressure has increased by 30 atmospheres, meaning the air volume of the lungs has been compacted 30 times. This brings the danger of the lungs imploding or exploding depending on the pressure difference. At DSSD depths the proteins in your body would probably explode from the pressure. So yes very very deep