Every few years, the watchmaking industry comes out with a new grand complication—a watch incorporating several different complications, traditionally a chronograph, a perpetual calendar, and a minute repeater (as well as typically a six- or seven-figure price)—expanding what is possible in mechanical watchmaking. In the 1990s, the techniques for creating grand complications, which had previously been passed down from master watchmakers to their apprentices, shifted with the adoption of co…