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On Oct 19,  5:57pm, <GILGSN@ao*.co*> wrote:
> Subject: Re: Bar?
> Hi, Bar is a unit of presure. One atmosphere is so close to 1bar that we
> simplify.

Yep.

> A watch rated at 15 bars will then resist to 15 atmospheres witch is 140
> meters(1 atm at surface).

Nope.  This is a nitpick, but a watch rated at 15 bars means 15 bars of
differential pressure (inside to outside of casing).  So you don't need to
add that "1 atm at surface".  At the surface, the watch is experiencing
no pressure differential.  (BTW, I'm wearing a watch right now that
reads "Water Resist, 10 bar, 100m").

Dan Masi

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