To me, esp in the Rolex implementation it is an intentional design choice to make the watch known as a Rolex from a distance, I think Omega does it also with the HE valves. There are better more inconspicuous ways to have an HE valve, and Omega has even put it on diver based watches that will never be used for saturation diving recently. (lets bypass the whole sat diving watch use arguments)
Its a design cue, and if you are into industrial design you start to notice very intentional things out there that are part of a design DNA that might be sub par in implementation but are needed for brand ID. Sure a it is obvious what makes a Panari a Panari, Rolex has appropriated the Fluted dial, and date magnifier. But what else is there... a whole lot actually.
For a massively obvious set of design cues that many of you see almost every day. There is more to BMW design DNA then the quad headlights (also a jag thing) and the Kidney grill. Look at the rear side windows of a BMW and everyone has what is called the Hoffmiester Kink. Which has been appropriated by Honda to make some of their cars more sporty looking.
https://en.wikipedia.org/wiki/Hofmeister_kink
Every Mercedes though has the rear window integrated into a point, and is actually somewhat ugly on some models. This is also used on Most Lexus models intentionally to make the car look more Mercedes like esp in the early days of Lexus.
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