What time is it? Watches and horology

Good article on Helium Release Valves, smoke and mirrors:

http://www.hodinkee.com/blog/opinion-too-much-hot-air-about-helium-release-valves

Mos def an interesting read. But the last part did make me chuckle:

I am not saying brands shouldn’t put them on their dive watches, but let’s be realistic about their function, their use, and why they are or are not being included in the first place.