"The Mastery of Time"
The history of horlogy from its origins to the present day: discoveries - inventions - progress.
Written by Dominique Fléchon, historian and expert in Fine Watchmaking, this book traces the history of time measurement from the origins of Man to the present day.
Jaeger-Lecoultre News 2012
The Duomètre à Sphérotourbillon is equipped with a multi-axis tourbillon. The Sphérotourbillon has a second axis inclined at 20° and thereby freeing it from the effects of gravity in all positions.







