The Duomètre à Grande Sonnerie (also called Hybris Mechanica 6) is an automatic Grande Sonnerie repeater from Jaeger-LeCoultre.

Also called the Hybris Mechanica à Grande Sonnerie due to its place in the Jaeger-LeCoultre Hybris Mechanica series, the Grande Sonnerie was introduced in 2009 as a Grande Complication model for Jaeger-LeCoultre. It was sold alongside two other complicated pieces for $2.5 million, complete with a safe for storage.

At the time, this was the most complicated wristwatch in the world With a total of 26 complications, it was the most complex and expensive Jaeger-LeCoultre model to date.