The Astronomic Souveraine

From F. P. Journe -

Courtesy of F.P. Journe

18 functions and complications, writ large against the stars in the sky.

Courtesy of F.P. Journe

Here are the pertinents, straight from the source -

ASTRONOMIC SOUVERAINE- 

Technical Specifications

Movement

Calibre 1619
Manual winding (34 turns of crown) 

In 18K rose Gold

Dimensions of the Movement

Overall diameter:

37 mm
Cased-up diameter:

36.4 mm
Height movement:

10.75 mm
Height of winding stem:

4.59 mm
Diameter of stem thread:

S1.20mm

Balance

Balance with 4 inertia weights Breguet 

Anachron spring Pinned stud
Free sprung
Nivatronic laser-welded to collet
Pinned Geneva stud

Frequency:

21,600 V/H, (3Hz)

Inertia:

11.00 mg*cm2

Angle of lift: 

52°

Amplitude:

0h dial up: > 260° 24h
vertical: > 260°

Main Characteristics
Tourbillon with remontoir d’égalité 

Minute repeater
Sidereal hours and minutes
2nd time zone
Moon phases
Annual calendar
Equation of time
Sunrise and sunset 

Natural dead-beat second 

All settings via the crown

Indications
Front:
Hours and 2nd time zone at 3 

Minutes in the centre
Sunrise and sunset at 12 

Sidereal hours and minutes at 9 

Power reserve at 6
Moon phases at 5
Second on disc at 7
Back:
Equation of time in the center 

Annual calendar at 10

Escapement
15 teeth escape wheel 90° Anchor fork
Power reserve 

40h
Decoration
High quality Circular waves on bridges
Partly circular grained baseplate
Polished screw heads and chamfered slots 

Pegs with polished rounded ends

Case - Steel 

Diameter: 44.00mm 

Total height: 13.80mm