That lead me to look up the most complications in a wrist watch...
The 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.
That lead me to look up the most complications in a wrist watch...
The 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.
https://www.franckmuller.com/en/aeternitas-mega-4/
The Aeternitas Mega 4 is the most complicated wristwatch ever produced in the world with its 36 complications, 1483 components and 99 rubies.