ould it surprise you if we said the Jaeger-LeCoultre Polaris Perpetual Calendar is actually a type of computer? Well, strictly speaking, it is a miniature mechanical computer for the wrist that’s designed to provide not just the time but also the day, date, month, year, leap year, and phases of the moon. Sure, it doesn’t come with a heart rate monitor or connect wirelessly to your smartphone, or include everything except the kitchen sink. But consider this: It will perform this given
