Independent Watchmakers · 2023-07-21
F.P. Journe: The Astronomic Souveraine brings the sky into a steel wristwatch
The Astronomic Souveraine treats time as more than civil hours and minutes.
Chronolume · Release archive · Based on F.P. Journe current official specifications; MONOCHROME dated historical context

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What to know
The Astronomic Souveraine treats time as more than civil hours and minutes. Its dial combines mean and sidereal time with astronomical indications, while a curved aperture traces the sun’s daily path. The reverse is equally dense, making the watch an object to explore from both sides.

Manually wound calibre 1619 combines a tourbillon and minute repeater with the astronomical mechanisms. Its structure is made in 18K rose gold, housed in a 44mm steel case measuring 13.8mm thick. The official photographs show the complete watch, its reverse and the detailed rear display. This is a catalogue profile of the production watch, rather than its earlier auction prototype.

At a glance
| Model | Astronomic Souveraine |
|---|---|
| Movement | Calibre 1619 — manual-wind mechanical |
| Diameter | 44 mm |
| Overall height | 13.8 mm |
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