Official description
The Grande Sonnerie mechanism far surpasses the striking-mechanism of any other complication. With 200 repeater calibres developed since 1833, its untiring inventiveness and its constant research into the field of striking-work, Jaeger-LeCoultre’s exceptional mastery has created a magnificent movement that features a Grande Sonnerie with Westminster chimes, designed to ring out the longest melody ever played by any watch with a striking-mechanism, and all this combined with a perpetual calendar and a flying tourbillon. Containing over 1300 parts and the product of a 5-year development process, the Jaeger-LeCoultre Calibre 182 is the most complex and the most sophisticated movement ever created for a wristwatch to date.