Another week, another Sunday Morning Showdown. We hope you are enjoying some well-deserved time off and a good weekend breakfast. Lean back in your chair, folks, because we have a proper heavyweight bout scheduled for you! This week, we pit two stainless steel perpetual calendars with integrated bracelets and blue dials against each other. Thomas represents the new Jaeger-LeCoultre Master Control Chronometre Perpetual Calendar. Nacho, meanwhile, puts forward last year’s IWC Ingenieur Perpetual Calendar 41. This is about as apples-to-apples as our showdowns come. After all, both contestants trace their roots to 1970s originals, both feature integrated bracelets and blue dials, and both run that most desirable of complications, the perpetual calendar. The IWC retails for €40,900 and the JLC for €47,800 . While that represents a significant price gap, the difference is unlikely to be decisive for those ready to fork out this kind of money on either contender.…