Weekend RewindWhat Do Water Resistance Ratings Mean?

We're spending the last long weekend of summer underwater, and we invite you to jump in with us. All the way through Labor Day, we'll be filling the site with the best, most hard-core HODINKEE dive watch stories from the past 10 years. This is one.

One of the many topics watch enthusiasts sometimes discuss is water resistance ratings and what they exactly mean in terms of real world use. About four years ago, Jack Forster wrote an article outlining the relevant ISOs and set out to explain them, including what watch brands have to do to comply with them.

To read "Technical Perspective: A Tale Of Two ISOs, Or What Water Resistance Ratings Really Mean," click here.