Right from their conception, certain watch parts are destined to become cult. There is no doubt that the Master Ultra Thin Moon attracts and holds all eyes. Thanks to its 39-mm diameter case in rose gold and its bezel set with diamonds, this timepiece does not go unnoticed. Its mechanical self-winding movement is sure to make your heart beat faster with a power reserve of approximately 70 hours. Equipped with a new barrel, escapement wheel and silicon anchor, the Jaeger-LeCoultre Caliber 925 accommodates 245 components. A new step has been taken in the world of ultra-fine complication watches.