The Patek Philippe 5207P is a smart watch. To be clear, it’s not a smartwatch, but Patek Philippe’s 41mm platinum marvel is an extremely smart watch. It understands the Gregorian calendar better than you do. It can memorize the phases of the moon for 122 years. It’s clever enough to read and chime the time if you’re pressed for lighting. In addition, its caseback tourbillon regulator is smart enough to keep chronometer-grade tabs on the time. As with many standout intellects, the 5207P boasts a legacy of high achievers. 1993’s reference 5016 was the first Patek Philippe wristwatch to combine a perpetual calendar, a tourbillon, and a minute repeater. The 5016’s diminutive 36.5mm diameter marks that pioneer as a product of another era, but the precedent it set leads directly to the 5207 series. Baselworld 2008 was the overheated watch industry’s last outburst of 2000s exuberance. In that era of junk bonds and junk mortgages, watch size, complexity, and price were king. The Patek Phi...