Saturday, January 23, 2016

A. Lange & Sohne – DATOGRAPH Perpetual Tourbillon Edition


A. Lange & Söhne SAXONIA DATOGRAPH Perpetual Tourbillon Limited Edition NEW

Chronograph with perpetual calendar and tourbillon

The latest masterpiece from Saxony pairs three complications with five supplementary functions. This unique timepiece by A. Lange & Söhne is not only technically impressive, but also stands out with a superbly organised face despite the density of information it displays.


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During the development of a multiple-complication timepiece, the most formidable challenge is to achieve the perfect interaction between different highly complex mechanisms and embedding them in a smoothly functioning ensemble. A. Lange & Söhne's DATOGRAPH PERPETUAL TOURBILLON is such a horological work of art.

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The black solid-silver dial of the new model contrasts beautifully against the 41.5-millimetre platinum case as well as the hands and hour markers in rhodiumed gold. It is limited to 100 watches. The name of the complicated watch subsumes its abundant timekeeping capabilities:

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DATOGRAPH

DATOGRAPH designates a column-wheel chronograph with a precisely jumping minute counter, a flyback function and the typical Lange outsize date. To master the challenge of precise short time measurements, the product developers relied on an ingenious feature that had already proven itself in the DATOGRAPH UP/DOWN. It distils three major technical advances in chronograph design into one: the column-wheel mechanism assures that all chronograph functions are reliably controlled. The jumping minute counter crisply displays the stopped times. And the flyback function allows the duration of consecutive events to be measured with extremely short reaction times.

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PERPETUAL

PERPETUAL, the middle element of the name, refers to a instantaneously jumping perpetual calendar with a moon-phase display. All indications of the perpetual calendar – including the outsize date as well as the day-of-week, month and leap-year displays in subsidiary dials – switch instantaneously and thus provide unambiguous readings at all times. A first correction of the mechanism by one day can wait until the first day of March in the secular year 2100.

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And because of its stunning mechanical precision, the moon-phase display will only deviate from the true lunation by a single day after 122.6 years. Three correctors allow the separate adjustment of the moon-phase display, the day of the week and the combined advance of the month and leap-year indications. After a standstill of merely a few days, the rapid-correction pusher at ten o'clock can be used to conveniently update all displays at the same time.

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TOURBILLON

The fascinating tourbillon mechanism is exposed by the sapphire-crystal caseback and the open tourbillon bridge. There, the escapement rotates about its own axis once a minute inside the filigreed cage. This rotary motion offsets the influence of gravity on the balance wheel with eccentric poising weights. In conjunction with the free-sprung balance spring crafted in-house, it assures excellent rate accuracy across the entire 50-hour power reserve.

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The power-reserve indicator integrated at the end of the tachymeter scale reminds the owner when it is time to rewind the watch. For the first time in a Lange tourbillon with chronograph, the balance beats at a rate of 18,000 instead of the conventional 21,600 semi-oscillations per hour. This corresponds to a frequency of 2.5 hertz. Consequently, stopped times can be displayed with an accuracy of one-fifth of a second. The patented stop-seconds mechanism instantaneously brings the balance wheel inside the tourbillon cage to a standstill when the crown is pulled. This allows the watch to be set with one-second accuracy.

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Never stand still


In addition to the development of the 729-part calibre L952.2 movement, the finissage and assembly processes challenged the expertise of the manufactory. Only the most talented watchmakers can overcome the numerous obstacles encountered en route to the flawless interaction of the individual modules. The path to success requires extensive experience, dexterity, concentration and patience. Thus, the DATOGRAPH PERPETUAL TOURBILLON is yet another manifestation of A. Lange & Söhne's determination to never stand still and to test the limits of mechanical horology.

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Technical Specifications

Model: Saxonia DATOGRAPH Perpetual Tourbillon Platinum

Reference №: 740.036

Limited edition100 watches.

Movement 
Lange manufacture calibre L952.2;
Manually wound, crafted to the most exacting Lange quality standards, decorated and assembled by hand; precision-adjusted in five positions; plates and bridges made of untreated German silver; balance cock engraved by hand
Movement measures
Diameter: 32.6 millimetres; height: 9.0 millimetres
Movement parts: 729
Bearing jewels: 59
Screwed gold chatons : 5, including one diamond endstone
Escapement: Lever escapement
Oscillator: 
Shock-resistant balance with eccentric poising weights, balance spring
manufactured in-house with a frequency of 18,000 semi-oscillations per hour
Power reserve: 50 hours when fully wound
Functions
Hours and minutes; subsidiary seconds dial;
Tourbillon with patented stop-seconds;
Chronograph with flyback and precisely jumping minute counter;
Perpetual calendar with outsize date, day of week, month and leap-year display;
Moon-phase display; day/night indicator;
Power-reserve indicator; 50 hours power reserve
Operating elements 
Crown for winding the watch and setting the time, two pushers for operating the chronograph, rapid-correction pusher for collectively advancing all calendar displays, one recessed corrector each for adjusting the day of the week, the month and the moon phases
Case 
Platinum
Diameter: 41.5 millimetres; height: 14.6 millimetres
Crystal and back: Sapphire crystal (Mohs hardness 9)
Dial 
Black 
Hands: 
Hour and minute hands in rhodiumed gold, luminous; day, month and four-year hands in rhodiumed gold; chronograph sweep seconds hand, subsidiary seconds hand and minute counter hand in  rhodiumed gold
Strap 
Hand-stitched alligator leather strap, black
Buckle: 
Lange prong buckle

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Contact information for the media
Arnd Einhorn, Director Press and PR
* Tel.: +49 (0)35053 44 5505
* E-mail: presse@lange-soehne.com
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Friday, January 22, 2016

F.P.Journe – OCTA Divine


F.P.Journe OCTA Divine NEW

OCTA DIVINE 
NEW INTERPRETATION OF THE EMBLEMATIC 
OCTA COLLECTION

After the Chronomètre Optimum, the Quantième Perpétuel and the Octa Lune, it is the turn of the Octa Divine to move onto size 42 mm.

Completely redesigned in 42mm, F.P. Journe’s Octa Divine model now features a new look: elegant, uncluttered, and perfectly legible.

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The instantaneous large date is displayed in enlarged windows that stand out against the Gold dial where the seconds disk display and the power reserve indicator are subtly delineated.

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The elegant sapphire moon phase disk, the delicate blued steel hands, and the streamlined polished steel circle screwed to the dial are all exclusive characteristics of F.P. Journe.

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A spark of whimsy is added by the different sized numerals of the hours ring, while red dots enliven the resolutely contemporary aesthetics of the dial.

The movement of the Octa Divine (calibre 1300.3), manufactured in 18K rose Gold, is automatically wound and has a power reserve of over 5 days.

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The unidirectional winding of the exclusive off-centre F.P. Journe rotor in 22K red Gold is achieved by a self-locking ball bearing system. Thus each movement, no matter how slight, is utilised for the optimal winding of the watch.

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The Octa Divine, available in the F.P. Journe Boutiques, also exists with a 40 mm case, in Platinum or in 18K red Gold.

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Technical Specifications

Model: Octa collection - OCTA Divine

Movement:
Exclusive FPJ calibre 1300.3 in 18K rose Gold.
Mechanism with unidirectional automatic winding
Rotor in 22K red Gold, off centre and guilloche
 
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Dimensions of the movement:
Overall diameter: 30.80mm
Casing-up diameter: 30.40 mm
Overall height: 5.70 mm
Height of winding system: 3.00 mm
Diameter of stem thread: S0.90 mm
Balance:
Chronometric, with 4 inertia weights
Flat Anachron microflamed spring
Mobile stud holder
Free sprung balance
Nivatronic laser-welded to collet
Pinned GE stud
Frequency: 21,600v/h (3Hz)
Inertia: 10.10 mg*cm 2
Angle of lift: 52°
Amplitude: 12h dial up: >280° - 90h dial up: >220°
Main Characteristics:
Three position crown
Winding of the watch, position 0, clock wise
Correction of the date, position 1, anti clock wise,
Correction of the moon, position 1, clock wise,
Correction of the time, position 2
Instantaneous date change
Barell with slipping spring
In line lever escapement, 15 tooth wheel
Indications:
Central hours and minutes, small second in window at 4h30
Large date in window at 11h30
Power reserve at 10h00
Phases of the moon 7h30
Finishing:
Circular Côtes de Genève on bridges
Partial circular graining on base plate
Polished screw heads with chamfered slots
Pegs with polished rounded ends
Steel components hand polished and chamfered
Case:
Platinum PT 950 or 18K Red Gold
Diameter: 40 or 42 mm
Total height: 10.6 mm
Number of parts:
Jewels: 37
Movement without dial: 281
Cased up on leather strap: 321
Strap
Alligator straps

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MONTRES JOURNE SA
Brigitte Bocquet-Makhzani - Communication
International PR & Events Manager
17, rue de l’Arquebuse – 1204 Geneva – Switzerland
Tel : +41 (0)22 322 09 09 / Fax : +41 (0)22 322 09 19
e-mail :bmakhzani@fpjourne.com
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