Jaeger-LeCoultre Master Control Calendar

About This Watch

The Jaeger-LeCoultre Master Control Calendar is a triple calendar watch with moon phase that offers tremendous complication value from the Grande Maison. The dial displays the day of the week at nine o'clock, the date via a central hand and peripheral scale, the month at three o'clock, and a moon phase aperture at six o'clock. The sector-dial layout organizes these four indications with remarkable clarity, avoiding the cluttered appearance that often plagues calendar watches. The caliber 866 handles all these complications in a 40mm case that is just 10.7mm thick — an impressive achievement that speaks to JLC's movement engineering capabilities. The silver dial with its concentric sector design provides distinct zones for each indication, making the watch intuitive to read. Unlike a perpetual calendar, this triple calendar requires adjustment at the end of months with fewer than 31 days — five times per year. Many collectors actually prefer this to a perpetual, finding the regular interaction with the watch's pushers an engaging ritual. The brown alligator strap and stainless steel case create a classic presentation. At its price point, the Master Control Calendar competes with simple three-hand watches from competing brands, making it one of the most compelling value propositions in Swiss complicated watchmaking.