The New 9908 retains the manual wind of the most up-to-date 3681 Moonwatch movement and adds to it a top quality column-wheel and vertical clutch configuration, as well as the Master Chronometer certification. The finishing and aesthetics also are fully diverse as opposed to caliber 3861 that powers the Moonwatch. https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/