F. P. Journe Tourbillon Souverain

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F. P. Journe Tourbillon Souverain Gold
© F. P. Journe
F. P. Journe Tourbillon Souverain
© F. P. Journe

Tourbillon Souverain is a luxury wristwatch by F. P. Journe.

For this world's first wristwatch with tourbillon and uniform force supply (constant force) F. P. Journe received the main prize "Golden hand" at the prestigious Grand Prix d'Horlogerie de Genève in 2004. The watch has the unusual complication of a dead-beat second (seconde morte), pausing on the second and then jumping to the next second. Also this watch creation of the master embodies the usual classical quality claim.

Movement:

Manual winding movement manufacture calibre 1402, 21,600 A/h
Tourbillon with a revolution of 60 seconds
Breguet hairspring
Regulation of the moment of inertia (constant force) via four-arms balance
Dead-beat second
26 jewels
179 components
Elaborate finishing, plates and bridges in 18 ct gold
Power reserve approx. 42 h

Case:

Platinum or red gold
Ø 38 mm / 40 mm, H 9.9 mm
Sapphire crystal, caseback with sapphire crystal

Dial:

White gold or red gold
Screwed sub-dials in silver guilloché
View on tourbillon

Functions:

Hours, minutes, small seconds
Power reserve indicator

Bracelet:

Black crocodile leather strap with tang-type buckle or platinum or gold bracelet with folding clasp