Most complicated wristwatch
Who
Willy Ernst Sturzenegger
What
1116 total number
Where
Switzerland
When
In terms of the number of individual parts, the world's most complicated wristwatch is the Piguet/Muller/Gerber Grand Complication watch, which contains 1,116 parts. It was most recently added to by master watchmaker Paul Gerber (Switzlerland) and is owned by Willy Ernst Sturzenegger, Territorial Earl of Arran (Switzerland).