Learningtofly posted a wonderful post, with beautiful pictures as ever, about his new JLC Master Perpetual Calendar. This watch uses the Jaeger LeCoultre Calibre 889/440/2 movement whose perpetual calendar complication is based on IWC's perpetual calendar module. Rather than using individual pushers to set each complication separately, this design has to have the complications set and synchronsed by a watchmaker. All alterations are then carried out via the crown (on IWC watches) or an all-complications-day-advance ...
Updated 16th November 2012 at 00:43 by markrlondon (Fixed typos)