Few human beings convey a sense of effortless cool quite like Sir Paul McCartney. After all, once you’ve written “Let It Be,” “Yesterday,” “Hey Jude,” and “Band on the Run,” you are officially an eternal steward of the zeitgeist and can do as you wish. McCartney, never one for flash, does allow himself one indulgence, however: A Patek Philippe Aquanaut.
The Aquanaut, by luxury watch standards, is as understated and classy as McCartney himself. Worn throughout the years to…

