Watch water resistance explained.
What is the difference between waterproof and water resistance when it comes to watches? That question reminds me of the Bobby Darin song from the 50’s. “Splish splash I was taking a bath on a Saturday night”.
What does it mean if a watch is waterproof?
At the time of Bobby’s song, watches weren’t waterproof. It’s probably a stretch to say that the watches of the time were even resistant to the effects of water. A Waterproof Watch is no longer a rating in world of watches.
The truth is that no watch is truly 100% waterproof. There is always a limit to how much water pressure a watch can handle. The term “waterproof” implies that a watch can’t leak under any circumstance. It means that no moisture will permeate the case and get into the movement. However, under certain circumstances anything can leak. Imagine if you’d just purchased a Fossil Original Boyfriend and boom. Oh boy.
Therefore, in the watch industry, we refer to a watch’s ability to withstand water pressure as how much is a watch water resistant. One drop of water will ruin your watch. According to the experts waterproof means nothing but water resistant is the key but how much?
Let’s clarify watch water resistance.
If a watch is water resistant to 10 mm or 1ATM or 1 bar the watch is only protected to 30 feet. This really means don’t splash water on it. All water resistant ratings are covered by ISO 6425.
So what does it mean if a watch is water repellant?
To say that a watch is water repellent is essentially saying, “look buddy, don’t this watch wet. It could probably ruin a very nice watch.”. I have a jacket that repels water. I wore a nice shirt at the same time. My shirt got wet. Messed up a pretty good shirt. Splish Splash.