Water-resistant watches are a staple in the lives of many divers and athletes—but how does watch pressure testing actually work?

Ready to start planning for the new year? Here is our list of the 12 top UK dive sites for 2026.

We all use them, but how many divers understand how diving regulators work? They're not only impressive bits of technical kit, but also one of the first pieces of equipment a new diver will buy. Let's take a look at exactly how this amazing equipment keeps us safe and breathing even at great depths.