Chronomètre Bleu by F.P Journe

The “ Chronomètre Bleu ”

The new F.P.Journe Precision Chronometer Last F.P.Journe creation, the CHRONOMETRE BLEU proposes a new approach of high precision, with perfect chronometric virtues. The CHRONOMETRE BLEU is innovative with its 39 mm case made for the first time of Tantalum, a rare dark grey metal with blue overtones. Tantalum is a wonderful metal but rarely used in watchmaking as it is hard and very difficult to manipulate, due to its very high fusion temperature of 3800° and a density of 16.6. Tantalum is also precious as it is highly resistant to corrosion and wear.

The chrome blue dial is in perfect harmony with the colour of the case in a contemporary spirit. The F.P.Journe hands, matching the large cream-coloured Arabic numerals, mark the hours while the guilloché seconds dial at 7:30 enhances the mirror effect of the main dial.

F.P Journe Boutiques

TECHNICAL SPECIFICATIONS - CHRONOMÈTRE BLEU
Movement Calibre 1304
Manually wound by 38 turns
Movement in 18K rose gold
22 jewels
Dimensions of the Movement
Overall diameter: 30.40 mm
Casing-up diameter: 29.60 mm
Overall height: 3.75 mm
Height of winding system: 2.10 mm
Diameter of stem thread: S0.90 mm
Balance
Four inertia weights
Flat Anachron microflamed spring
Mobile stud holders
Free-sprung
Nivatronic laser-welded to collet
Pinned GE stud
Frequency: 21,600 v / h, (3Hz)
Inertia: 10.10 mg x cm2
Angle of lift: 52°
Amplitude 0h dial up: > 320°
24h dial up: > 280°
Main characteristics
Manual winding
Two mainspring barrels in parallel
Time adjustment via crown in position 2
Pallet escapement with 15 tooth escape wheel
Two position crown
Indications
Central hours and minutes
Sub-seconds at 7:30
Power reserve
56 hours +- 2h.
Decoration
High quality
Partly circular grained base plate, with barleycorn guilloché
Polished screw heads, chamfered slots
Pegs with polished rounded ends
Case
Tantalum
Diameter: 39 mm
Height: 8.60 mm
Dial: Chrome blue
Number of Parts
Movement without dial: 129
Cased-up on leather strap: 166