Tourbillon Double Spiral, Besançon Certified, White Gold 17000 the Tourbillon is regarded as

the Tourbillon is regarded as emblematic of the very best of Parmigiani Fleurier's early efforts

Under loupe

the Resonance is arguably the watch which best captures FP Journe's ambition

This is the only known example with a Tiffany dial and it is also the only known entirely gold dial

They are rumored to have been the inspiration for John Mayer’s recent collaboration with Audemars Piguet

Tourbillon Double Spiral, Besançon Certified, White Gold 17000 the Tourbillon is regarded asA Tourbillon Double Spiral, the first model ever released from Laurent Ferrier in 2010. This is one of very few examples made in a 39mm white gold case, as opposed to the standard 41mm, also submitted for Besanon Certification at request of client. Calibre FBN 916. 01 uses dual Straumann Hairspring, with two spirals mounted directly out of phase to cancel positional errors. Its architecture is inspired by mid century Patek Philippe observatory