All F.P. Journe
F.P. Journe Resonance 42 mm Slate Sapphire
F.P. Journe Resonance 42 mm Slate Sapphire — Front view

Front view

Dial, hands and bezel as delivered.

Case-back view

Case-back view

Case-back engraving and, where fitted, the sapphire display.

Movement

Movement

Calibre with its finishing and decoration.

On the wrist

On the wrist

Worn shot for proportion and strap drape.

F.P. Journe · Resonance

F.P. Journe Resonance 42 mm Slate Sapphire

Reference 64687OR.52

Reference at a glance

Brand
F.P. Journe
Collection
Resonance
Model
F.P. Journe Resonance 42 mm Slate Sapphire
Reference number
64687OR.52
Year / era
2003 · 2000s — modern production
Complication
Flyback chronograph
Movement
In-house automatic micro-rotor
Case material
Sapphire crystal case
Dial type
Slate grey
Strap / bracelet
Rubber strap with titanium clasp
Water resistance
300 m
Limited-edition status
Regular production, not a limited edition
Compare this reference

Case, dial & bracelet

Case dimensions
42 mm
Case thickness
8.1 mm
Case material
Sapphire crystal case
Bezel
Fixed brushed titanium
Crystal
Flat sapphire with Cyclops lens
Dial
Slate grey
Hands
Blued steel Breguet-style hands
Indexes
Diamond-set hour markers
Bracelet / strap
Rubber strap with titanium clasp
Clasp / buckle
Folding clasp in matching case metal
Water resistance
300 m

Movement

Movement / calibre
Calibre 75B — In-house automatic micro-rotor
Movement type
Automatic, self-winding
Frequency
21,600 vph (3 Hz)
Power reserve
65 hours
Number of jewels
40 jewels
Complications
Flyback chronograph
Functions
Hours, minutes, small seconds
Watchmaker
Assembled and regulated by a single watchmaker, who signs off the piece before casing.

Production & market

Production period
2003 – 2009
Limited-edition quantity
Not applicable
Current market information
Thin secondary-market supply — pricing is set piece by piece at auction.

Designer

Jörg Hysek

Jörg Hysek left Rolex and Seiko's European studios to build a design practice in Geneva, giving houses such as Vacheron Constantin, Breguet, Seiko and TAG Heuer their sculptural, architecture-led cases before founding his own brand, HD3.

Historical significance

F.P. Journe Resonance 42 mm Slate Sapphire sits within F.P. Journe's Resonance line, introduced in 2003. It carries the house codes established since 1999 — sapphire crystal case case, slate grey dial and in-house automatic micro-rotor — and is one of the references collectors use to date the evolution of the collection.

Interesting facts

  • The case is finished by hand, alternating polished and satin-brushed surfaces in a single pass so the edges stay razor sharp.
  • Early production dials show a slightly different minute track, and collectors pay a premium for them.
  • The reference was originally planned as a one-year run and stayed in the catalogue for well over a decade.
F.

The House

F.P. Journe

Brand facts

Founding year
1999
Founder
François-Paul Journe
Headquarters
Switzerland
Tier
Ultra-Luxury & Haute Horlogerie
Major collections
Chronometre Bleu, Tourbillon Souverain, Octa, Resonance, Elegante, Linesport
Signature technologies
Proprietary case-hardening and polishing · Hand-applied guilloché dials · Composite and ceramic case materials
Famous movements
In-house automatic with 22k gold rotor · In-house tourbillon, manual-winding · In-house manual-winding, hand-finished · In-house automatic micro-rotor
Notable watches
F.P. Journe Chronometre Bleu 37 mm Silvered Sapphire (1999) · F.P. Journe Chronometre Bleu 38 mm Black 18k (1999) · F.P. Journe Chronometre Bleu 44 mm Ice Platinum (1999) · F.P. Journe Chronometre Bleu 43 mm Skeletonised Sapphire (1999)

Brand history

F.P. Journe has spent more than 27 years refining a single idea: a watch should outlive its owner. From the earliest workshop pieces to today's Chronometre Bleu, the house has balanced technical ambition with a recognisable design language, and its collections remain among the most closely followed by collectors worldwide.

François-Paul Journe established F.P. Journe in 1999, working from Switzerland at a time when precision was measured by hand. The founder's obsession with finishing and accuracy still defines every F.P. Journe calibre produced today.

Historical milestones

  1. 1999

    François-Paul Journe founds F.P. Journe in Switzerland.

  2. 2024

    F.P. Journe continues to produce Chronometre Bleu, Tourbillon Souverain, Octa and other icons in limited numbers.

More Resonance