"A friend of mine who is a commercial flight captain (Airbus A 320) once smiled when saying that many of those big chunky Breitlings (Navytimer etc.) are worn by people who don`t know that much about flying".
Never a truer statement. Big sunglasses, big black briefcase, big watch, big ego, small -----.
Every flight deck these days has very good clocks installed in the panels, the FMCS calculates everything including holding patterns and thankfully NDB approaches are becoming less and less so the requirement for stopwatches etc is nearly a thing of Noah's Ark.
A great deal of it is commercial hype to sell watches that need batteries.
As an aside:
My wife - ex crew in BA - told me "What does a BA pilot use for contraception?"
"His personality...."