Franck Muller Aeternitas Mega 4

Mechanic Tourbillon, Carillon Westminster on 4 hammers and 4 gongs, Chronograph with fly-back mechanism and only one push-piece, Perpetual Calendar Secular, Equation of time, Two additional time zones, Automatic self-winding mechanism for the movement and the Westminster carillon.
36 COMPLICATIONS
1483 COMPONENTS
99 JEWELS
The most complicated wristwatch ever made.