A square wheel mechanism is just one of the attractive but only questionably useful complications that will draw luxury watch collectors to the Baselworld show this month.
In recent months, numerous watchmakers have introduced models that directly trace their lineage to timepieces created during the 1950s and early 1960s.
Many young people have never worn a watch. And while new versions alert them to messages on their smartphones, it’s unknown whether that will give them reason enough to buy one.