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Generated illustration of the F.P. Journe Chronomètre Optimum CO: round case, 40 mm, white gold and silver guilloché dial, smooth bezel, leather strap.

Plate 168. Illustration generated from this record, not a photograph. No lettering or logos. Colours are approximate. Same scale on every plate.

a Bezel
smooth, platinum
b Dial
white gold and silver guilloché
c Case
platinum, round
d Strap
leather

F.P. Journe · Dress

Chronomètre Optimum

Ref. CO

Machine translation pending human review. Figures and sources match the original.

Gathers Journe's inventions in one hand-wound watch: a one-second constant-force remontoire, a high-performance bi-axial escapement and dead-beat seconds.

Price unconfirmed

We only publish a price with a source and a date.

Why it matters

  • Constant-force remontoire
  • EBHP bi-axial escapement
  • 70-hour power reserve
  • Rose gold movement

Specifications

Line
Classique
Year
unconfirmed
Status
In production
Range
Haute horlogerie
Diameter
40 mm
Thickness
9.5 mm
Material
platinum
Shape
round
Dial
white gold and silver guilloché
Markers
unconfirmed
Date
unconfirmed
Bezel
smooth, platinum
Strap
leather
Calibre
1510
Movement
Hand-wound
Power reserve
70 h
Frequency
21,600 vph
Jewels
44
Water resistance
unconfirmed
Complications
hours, minutes, small seconds, power reserve, segundero muerto

Across the Archive

Diameter40 mmAbove 37% of 447 watches with this figure
Thickness9.5 mmAbove 20% of 363 watches with this figure
Power reserve70 hAbove 57% of 348 watches with this figure
Frequency21,600 vphAbove 7% of 274 watches with this figure
Water resistanceunconfirmed
Priceunconfirmed

Where to buy

A search for this reference at retailers. TicTemple does not sell watches or check stock. Links go live once we join each programme.

Sources

  1. fpjourne.com

Record confidence: high. Based on an official source. Anything unverified is shown as “unconfirmed”, never estimated.

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