Franck Muller Aeternitas Mega 4 from Most Expensive Watch

36 complications , 1483 components, and 99 jewels form the most complex wristwatch in the world - Franck Muller Aeternitas Mega 4. For mere $2.7 million you’ll get perpetual calendar, which indicates the day, the date, the month and the moon phases; the same notes as the clock tower of the Westminster cathedral, a micro-rotor placed at 6 o’clock and visible through the open-back, all in all, a unique and luxurious masterpiece.