Franck Muller caliber FM 3480 QPSE

Touted by its maker as 'the most complicated wristwatch ever made', the Aeternitas Mega 4 caliber FM 3480 QPSE boasts no less than 36 complications. It is made up out of 1483 components, including 99 jewels. It features a tourbillon, a Westminster Carillon with 4 hammers and 4 gongs for the sonnerie, a monopoussoir chronograph with fly-back mechanism, a perpetual calendar, an equation of time display, two additional time zones and notably an automatic self-winding mechanism for both the movement and the Westminster carillon. This tonneau-shaped movement's total dimensions are 34.40mm x 41.40mm at a height of 13.65mm.