Collection History
After its first years devoted to spectacular complications such as the tourbillon and resonance, in 2005 François-Paul Journe presented a watch meant, by design, to be the simplest in his catalog: the Chronomètre Souverain. Beneath its apparent sobriety — three hands, small seconds, power reserve indicator — lies, however, the same constructive rigor as the Maison's most celebrated complications.
Caliber 1304 revives a solution typical of marine chronometry: two mainspring barrels arranged in parallel, which, rather than simply extending autonomy, serve to keep the motive torque more linear and constant throughout the entire power reserve. The going train is positioned on the dial side for aesthetic reasons, while the power reserve indicator — often a bulky mechanism at the time — is reduced to a thickness of just half a millimeter thanks to the use of ceramic ball bearings.
Two decades after its launch, the Chronomètre Souverain has remained almost identical in its overall design, enriched over time with dial variants and a few boutique-exclusive editions: a continuity that has made it, for many collectors, the first watch through which one enters the world of F.P. Journe.
Technical Specifications
Main Executions
Despite its sober look, the Chronomètre Souverain has never been produced with a rhodium-plated movement: every single example is fitted with a mainplate made entirely of 18-carat red gold, a costly construction choice the brand has kept unchanged since launch.

