F.P. Journe OCTA User manual

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User manual /Octa Automatique Réserve - Ref. AR2
A unique design based on an exclusive mechanism
English

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The construction of the Octa cali re has less powerful ties with the history of horology
than the constant-force device or resonance models do. Nevertheless, it sym olizes a horological
ideal: giving timekeepers the highest possi le degree of precision and autonomy.
It can e o served, that if church clocks were set so high in towers, apart from enhancing
visi ility, was mostly ecause it often took an entire month for the driving weights to drop the length
of their cords. Numerous systems were invented to increase the running time of timekeeper’s
devices, only meeting limited success. Given the restricted volume of a wristwatch, the size of the
mainspring was immediately limited. Watchmakers then discovered the trick of adding an extra
wheel to the customary gear train, in order to extend the length of its development. Unfortunately,
using this system only led them to o serve that the level of energy actually reaching the alance
remained poor. To compensate, they fitted a smaller alance consuming less energy, ut which
also lost in sta ility. Therefore, it’s not unusual to find watches that run for several days display-
ing an extremely unpredicta le level of accuracy.
This challenge was a powerful source of motivation. I then imagined that the est and
most o vious solution to lengthen the running time would e to increase the capacity of the
spring development. Given its sta ility (1 metre and 1 millimetre thick), the challenge was to
integrate it on the same level as the gear train and escapement. Thanks to the low torque of this
spring, I could achieve extremely fast automatic winding (one and a half hour on a Chappuis
cyclotest for over 5 day’s running).
Once the challenge of autonomy was thus successfully met with this automatic winding
cali re, I knuckled down to the second challenge of managing to insert various complications
into that same movement: power reserve with large date display, fly- ack chronograph with
large date display, retrograde annual calendar, UTC, etc… and doing so while maintaining
an identical size for all models in the Octa collection.
Three years of research and development were required efore this one of a kind auto-
matic cali re could e presented to the pu lic.
François-Paul Journe
Preface
Calibre Octa
A Horological Ideal_

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Always taking into account the notes and o servations concerning his watches, François-
Paul Journe states: “I realized that one of my friend’s Octa was never completely wound ecause
he works on a computer and his hand doesn’t move enough.”
From this o servation he creates the new Octa cali re (1300-3) that uses the slightest
movement to automatically wind the watch. With talent, the watchmaker turns the pro lem
around, and creates a new system that winds in one direction, only with a self-locking all earing
system. The ceramic alls allow the off-centred rotor in 22 carats red Gold to move in one direction
and lock it in the other. This way, every infinitesimal movement is maximally exploited for an
optimized winding of the watch.
The cali re retains the characteristics of the classic Octa with: a 160-hour power reserve
and a varia le inertia alance wheel for an optimum yield that offers each model of the Octa line
an irreproacha le sta ility.
Technical development
Octa Calibre
Optimized winding system_

210 Manuel winding Setting the date Setting the time
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Crown_
Manual winding :
Your watch is automatically wound when worn.
If the watch is stopped, turn the crown in position 0about a dozen times anticlockwise.
All models of the Octa Line offer an exceptional power reserve of 160 hours.
The Octa models can operate above those 160 hours but the precision is thus not as efficient.
Setting the date :
Pull the crown in position 1and turn anticlockwise.
A manual correction is necessary, except for the months of 31 days.
Setting the time :
Pull the crown in position 2and turn anticlockwise to move the watch hands forward.
It is strongly advised not to turn the hands in the other direction.
Power reserve:
The power reserve hand indicates the number of hours remaining for
the functioning of the watch.
Important !
Push the crown back in position 0for the watch to work.
Operating instruction

Power reserve
indicator
Day/Night
Second
Large date
Hours and minutes
Crown
The second dial is fixed by
a circle screwed* on the dial
*Registered System
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Functions and Indicators

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Bracelet
Adjustable Bracelet
Easy extension of half a link_
Shortening the bracelet
of 1 or 2 links_

Special balance
Large barrel
Unidirectional 22K red Gold
Inertia weights
Important!
On a rotating watch winder, program 274 tours /2 4 h
Turn only in the indicated direction!
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Characteristics
Mechanism of the Octa Automatique Réserve
Patented system EP

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Movement_ Calibre 1300.3
Unidirectional automatic winding
Movement in 18K rose Gold
Dimensions of the movement_ Overall diameter : 30.80 mm
Casing-up diameter : 30.40 mm
Overall height : 5.70 mm
Height of winding stem : 3.00 mm
Diameter of stem thread : S 0.90 mm
Balance_ Four adjustable inertia weights
Flat Anachron microflamed spring
Mobile stud holder
Free Sprung
Nivatronic laser-welded to the collet
Pinned GE stud
Frequency : 21,600 v / h, (3Hz)
Inertia : 10 .10 mg*cm2
Angle of lift : 52°
Amplitude : 12h dial up : > 280°
90h dial up : > 220°
Main characteristics_ Three position crown :
Winding of the watch in position 0, clockwise
Correction of date in position 1, anticlockwise
Correction of time in position 2, anticlockwise
Instant jump calendar
Off centre winding rotor
Barrel with slipping spring
Escapement 15 tooth
Autonomy_ 160 ± 10 h.
Winding Speed on watch winder : 274 rotations / 24 hours
Specifications

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Indications_ Centred hours and minutes
Small second
Large date
Power reserve
Day/Night indication
Decoration_ Circular stripes on bridges
Partly circular graining on baseplate
Polished screw heads with chamfered slots
Pegs with polished rounded ends
Steel components polished,
chamfered and straight-grained
Case_ Platinum or 18K red Gold
Diameter : 44 mm
Total height : 11.10 mm
Dial_ Blue-Mauve Silver guilloché or ruthenium Silver guilloché
Steel hands rhodium-plated or 5N Golden and blued
Gold appliqué numerals
Number of parts_ Movement without dial : 256
Jewels 37

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Maintenance_
Your wristwatch should be serviced once every four years to maintain its precision.
Important_
Keep the original warranty card supplied with your wristwatch carefully. Your authorized F.P. JOURNE retailer
will need this identity card for any after sales servicing. For all maintenance or repair, your wristwatch must
be entrusted only to an appointed F.P. JOURNE agent.
Warranty_
Your F.P.Journe - Invenit et Fecit watch is covered by a warranty against any manufacturing flaws for a
period of 2 years as of the date of purchase appearing on the back of the warranty card or certificate. The
warranty is valid only on presentation of the original card or certificate, duly filled out by the authorised
retailer (serial number, date of purchase, retailer’s stamp). The warranty does not cover normal wear or da-
mage resulting from abnormal use of the watch, accidents or alterations.
Warranty extension_
If your F.P.Journe - Invenit et Fecit watch was purchased at an F.P.Journe Boutique, your watch is au-
tomatically covered for a period of 3 years as of the date of purchase appearing on the back of the warranty
card or certificate. If your watch was purchased at an authorized retailer, we kindly invite you to register
on https://customerservice.fpjourne.com/en/guarantee during the 30 days following the initial date of
purchase to benefit from an additional year of warranty.
© Montres Journe SA_ Geneva