CHRONOMÈTRE OPTIMUM

COMBINING MODERN TECHNOLOGY WITH THE RICH HERITAGE OF THE KNOWLEDGE OF TIME-TELLING HISTORY LEFT TO US BY THE GREAT MASTERS, THE CHRONOMÈTRE OPTIMUM JOINS THE RANKS OF THE ICONIC TIMEPIECES CREATED BY F.P.JOURNE HAUTE HORLOGERIE IN ITS CONSTANT QUEST FOR PRECISION, INNOVATION AND EXCELLENCE.

LIKE ALL THE MODELS OF THE CLASSIQUE COLLECTION, THE CHRONOMÈTRE OPTIMUM HAS A MANUALLY WOUND MECHANICAL MOVEMENT MANUFACTURED IN 18K ROSE GOLD. IT SYMBOLISES THE VERY ESSENCE OF PRECISION IN A WRISTWATCH, TESTIFYING TO THE ACCOMPLISHMENT OF F.P.JOURNE’S CHRONOMETRIC RESEARCH.

Description

MOUVEMENT :

Calibre 1510
Manual winding / 27 turns of crown
18K rose Gold

DIMENSIONS :
  • Overall diameter : 34.00 mm
  • Casing-up diameter : 33.60 mm
  • Height : 5.80 mm
  • Height of winding system : 2.395 mm
  • Diameter of stem thread : S1.20mm
BALANCE :

Chronometric balance with inertia weight
Hair spring with Phillips curve
Mobile stud holder
Free sprung
Pinned GE stud

FREQUENCY :

21,600 Alt/h (3Hz)

INERTIA :

10.10 mg/cm2

ANGLE OF LIFT :

58°

AMPLITUDE :

0h dial up: 260°
24h dial up: 260°

CHARACTERISTICS :

1 second remontoire at 11h, very light in Titanium and balanced
Natural dead beat second on the back of the movement
High performance Bi-axial escapement with arbor and wheels in Titanium, functioning without oil, (inspired by that of A.L. Breguet created in the XVIII Century)
2 mainspring barrels in parallel
2 position crown
Time adjustment in position 2

INDICATIONS :

Off centre hours and minutes at 3h00
Small second at 9h00
Power reserve at 6h00
Large dead beat second on the back

AUTONOMY :

70 ± 2 hours

FINISHES :

Circular graining on baseplate
Geneva waves on bridges
Polished screw heads with chamfered slots
Pegs with polished rounded ends

NUMBER OF PARTS :

Movement without dial : 240
Cased up with strap : 264
Jewels: 44

Brand

FP Journe

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