Big anniversaries demand big releases. After all, what is the point of peerless longevity if not to flaunt all that accumulated mastery? Vacheron Constantin has just turned a spry 270 years–the oldest manufacture to operate continuously since its founding–and it certainly has the horological chops to prove it. Case in point: the bombastically named Les Cabinotiers Solaria Ultra Grand Complication, boasting a jaw-dropping 41 complications (see the general Watches and Wonders Geneva…

