Apple’s new watchOS 7 introduces some new watch faces. One of them is called GMT watch face. It’s about time we took a look at that one.
Apple Watch GMT Face
First of all, Apple did not just make this up, in name or design. There is a pre-existing “GMT watch” design that was previously created for specific travel/aviation/astronomy needs. See: “What is a GMT Watch and How Does it Work?”
From the above article:
The GMT watch function is just a second hour hand on the same watch face that’s geared to rotate once every 24 hours — or exactly half as fast as the other hour hand. The second hour hand points to a second time scale that reads to 24 instead of 12, typically located on the innermost portion of the watch dial.
Here’s a look at a physical GMT watch. The red hour hand points to