Thursday, January 31, 2013

GREUBEL FORSEY – Double Tourbillon 30° Technique Black Titane




















GREUBEL FORSEYDouble Tourbillon 30° Technique Black Titane ADLC NEW

The Double Tourbillon Technique Black in titanium marks several ‘firsts’ in the creation of our timepieces, both visually and in the materials used.

The novelty of this piece lies not only in the material used for the case– titanium, a light and yet resistant metal which had not been used before at Greubel Forsey – but also in the subtle and elegant treatment of the assembly. The case, engraved plates and folding clasp made from titanium have been coated with a black ADLC (amorphous diamond-like carbon) treatment, which adds a characteristic layer to the timepiece.

 The Double Tourbillon Technique Black breaks completely new ground for Greubel Forsey: 

It is the first black model in the Collection and the first Greubel Forsey timepiece to feature a titanium case and a rubber strap. These features endow this three‐dimensional chef d’oeuvre with more casual aesthetics than the classic gold and platinum models. Highly polished steel bridges stand out in high‐contrast juxtaposition against the subdued black chrome of the movement plates and bridges.

The Double Tourbillon Technique Black features a unique, open‐work movement architecture in an entirely original and innovative interpretation of Greubel Forsey’s first fundamental invention, the Double Tourbillon 30°.

The Double Tourbillon Technique Black is a case study in high‐precision mechanical watchmaking. The sapphire crystal is a portal through which to observe the mesmerising synchronised rotations of the intricate, sublimely finished, micro‐mechanics beneath. Gazing down through the multiple levels of the three‐dimensional movement, the viewer is naturally drawn from one component to the next. The open construction does not simply enable, but encourages and rewards careful observation of each separate element and their dynamic interactions.

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At the heart of the Double Tourbillon Technique Black is the Double Tourbillon 30° mechanism at 6 o’clock, with the unobstructed configuration of the open movement allowing full appreciation of the ballet of the two tourbillons, one rotating inside the other.

Hours and minutes are displayed by luminous, open‐worked signature Greubel Forsey hands against a transparent sapphire crystal ring, providing full visual access and luminosity to the depths of the mechanisms below. Transparency is also manifest at 6 o’clock with a red‐tipped, four‐pointed, sapphire crystal indicator rotating in four minutes above the double tourbillon, and indicates 0‐60 seconds along a quadrant.

A subtle meeting point with the gold and platinum versions, this Double Tourbillon Black adds and harmoniously blends these elements with a black or anthracite finish.

The movement remains similar to that of its predecessors, namely a Double Tourbillon 30° at 6 o’clock, four coaxial mainspring barrels at 11 o’clock, a 120- hour power reserve at 3 o’clock and a small seconds at 9 o’clock.

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The chapter ring is made from sapphire crystal, with indexes and 12 o’clock numeral galvanically grown. The hour and minute hands are made from white gold Super-LumiNova filled, while the hand showing the rotation of the outer tourbillon cage in 4 minutes is made from sapphire and the other indicators are made from red anodised aluminium.

The three dimensionality of the Double Tourbillon Technique Black is apparent throughout. A visual journey across the top half of the movement takes us from the small seconds near 9 o’clock, past the four coaxial mainspring barrels and the tall jewel‐capped tripod supporting the hour and minute hands, to the power reserve indicator at 3 o’clock. Both the small seconds and power reserve indicators are balanced and strikingly enhanced by their red triangular indicators.

The raison d’être of the Double Tourbillon 30° Technique is its unique three‐dimensional, openwork movement architecture. Whereas a skeletonised movement takes an existing calibre and cuts away ‘superfluous’ material in only two dimensions, the movement of the Double Tourbillon 30° Technique was designed and developed from the ground up to allow unprecedented three dimensional visual access to as much of the mesmerising micro‐mechanics and mechanisms as possible. Sublimely finished components on all levels can be enjoyed from a multitude of angles thanks to the Double Tourbillon 30° Technique’s panoptic construction.

The four fast‐rotating co‐axial mainspring barrels provide a very generous 120 hours of autonomy. The rotation of the barrels can be enjoyed both when winding and when unwinding. Coupled to these barrels is the visible spherical differential that drives the power reserve indicator. Watch makers of Greubel Forsey are renowned for their uncompromisingly superlative finishing and decoration. The Double Tourbillon Technique Black is a kinetic showcase of this art with each and every component, visible or not, designed to highlight its form and hand finish. Plates and bridges have sharp internal angles to highlight the meticulous handcraft. Flat black‐polished steel bridges and mirror‐polished complex curves reflect light in a scintillating display, bringing unparalleled vivacity to the movement.


 Double Tourbillon 30°

The Double Tourbillon 30° was Greubel Forsey's first Fundamental Invention presented in 2004 and features an innovative Double Tourbillon 30° mechanism with one 60‐second tourbillon inclined at 30° rotating inside another tourbillon cage rotating in four minutes. In this world‐premier construction, the double tourbillons average out gravity‐induced errors on the balance and spring oscillator, which improves timekeeping. This construction allows for superior chronometric performance, a minimum volume/maximum balance diameter ratio as well as enabling the beautifully finished mechanism to be fully appreciated.

Black Titanium Case, Lugs, Crown and Clasp
The central hour and minute hands are skeletonised and filled with white Super‐LumiNova that stands out against the black‐chrome finished movement beneath. The triangular hands of the small seconds and power reserve indicator are hand‐finished in red anodised aluminium. The dial of the small seconds is one piece in gold (as is the power reserve dial) with a straight‐grained centre and lapped perimeter with engraved lacquer‐filled markers. A cut away sapphire disk around the perimeter of the display features metallised hour markers.

Three‐dimensional detachable lugs in titanium allow a fine finish of all surfaces of the case. The bespoke Greubel Forsey folding clasp in black titanium features a double folding mechanism with dual release pushers for additional security.

Fine Finishing and Aesthetics
As with all Greubel Forsey timepieces, the level of hand finishing and decoration throughout the Double Tourbillon 30° Technique is second to none. And the impeccable finishing goes much deeper than immaculate surface treatments as the components have been created with forms and shapes that highlight their beauty to maximum effect, offering myriad sublime details to be discovered and esteemed. Frosted plates, scintillating flat black‐mirror‐polished steel on flat and curved surfaces as well as the stunning bevels – many with sharp internal angles that machines cannot finish as well as a highly experienced hand – bring unparalleled vivacity. Large jewels set in polished gold chatons, and mirror‐polished and heat blued screws provide evidence of the extremely high quality that pervades every aspect of this timepiece.

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Technical Specifications

Double Tourbillon 30°, Hours and minutes display, Outer Tourbillon 4-minute rotation indicator, Inner Tourbillon 60 Second rotation indicator, power-reserve indicator.

Patented Movement

Movement dimensions:
Diameter: 38.40 mm
Thickness: 12.15 mm
Number of parts
Complete movement: 385 parts
2 Tourbillon cages: 128 parts
Weight of the two cages: 1.17 g
Number of jewels
• 43
• Olive-domed jewels in gold chatons
Power reserve: 120 hours
Barrels:
• Four coaxial series-coupled fast-rotating barrels (1 turn in 3.2 hours), equipped with a slipping spring to avoid excess tension
• Gold nickel-palladium finished cover with relief engraving
Balance wheel: Variable-inertia with white gold mean-time screws (10.70 mm diameter)
Frequency: 21,600 vibrations/hour
Balance spring:
• Phillips terminal curve
• Geneva-style stud
Main Plates: Frosted nickel silver, polished bevelling, black chromed finish
Bridges: Frosted nickel silver, polished bevelling, nickel-palladium finish, gold nameplate
bearing the watch number, black chrome treatment
Gearing:
• Involute circle profile
• Conical gearing with corrected profile
Inner Tourbillon: Inclined at a 30° angle, 1 rotation per minute
Outer Tourbillon:
1 rotation in 4 minutes
• Hand-bevelled and openworked cage pillars
• Solid gold counterweight
Displays:
• Hours and minutes
• Small seconds
• 4-minute Outer Tourbillon rotation indicator
120-hour power reserve on a sector
Exterior
Case material and finishes:
Black Titanium ADLC (amorphous diamond-like carbon) Noir 
• With convex sapphire crystal
• Transparent back with convex sapphire crystal
• Raised polished engraving of the name of the Invention on a hand-punched background
• Black security screws
• Nameplates with text screwed to the sides
• Three-dimensional lugs secured with screws
• Hand-engraved individual number
Case dimensions
• Diameter : 47.50 mm
• Thickness : 16.84 mm
Water resistance of the case 3 ATM - 30 M - 100 FT
Crown black titanium with engraved GF logo
Dial
• Sapphire hour markers
• Small seconds and power-reserve indicators in gold
Hands
• Hours and minutes in gold
• Small seconds, Power reserve (red triangles)
• Sapphire 4-minute indicator
Strap
Hand-sewn black alligator leather with folding clasp, engraved with the Greubel Forsey logo.

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GREUBEL FORSEY SA
For further information: 
Communication Department 
press@greubelforsey.com – +41 79 194 2884
Eplatures-Grise -16 P.O. Box 670 
2301 La Chaux-de-Fonds - Switzerland
+41 32 9254545
+41 32 9254502
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Breguet - Type XXII Flyback Chronograph Rose Gold


Breguet - Type XXII Flyback Chronograph Rose Gold NEW

New Version in Rose Gold Type XXII 3880   3880BR/Z2/9XV

The First Series-Made Mechanical Chronograph with a 10 Hz Frequency (72,000 vph) 




 BREGUET UNVEILS ITS 'PRE-BASEL' ORIGINAL TIMEPIECE
 As a prelude to the 2013 edition of BaselWorld, Breguet is thrilled to unveil a world preview of an original version of the emblematic Type XXII.


The case, in 18kt rose gold, measures 44mm. It has a sapphire crystal and it is water resistant to 100 meters.


 Click on the mouse wheel to see the large size ...



The dial, in brown, features luminous hands and hour-markers and a chapter ring with Arabic numerals. Red chronograph's seconds hand on a 30-second basis at the center, Half-minute totalizer at the centerm 24 hour indicator at 3 o'clock, Second time zone indicator at 6 o'clock with luminous Arabic numerals, Small seconds on a 30-second basis at 9 o'clock. Date in an aperture at 6 o'clock.

The minutes graduation in the form of dashes one red and the other white situated on the flange, combined with the numbered seconds graduation also appearing in red and white, serves to establish whether the chronograph counter is in its first (red sectors) or second (white sectors) 30-second revolution. 


 Click on the mouse wheel to see the large size ...

Movement is the Swiss automatic Breguet in-house caliber 589F with 27 jewels, 72,000 vph, and a power reserve of 40 hours. 
It features a high frequency silicon escapement, a Breguet balance-wheel with regulating screws, and a silicon balance-spring. It is adjusted to 5 positions.
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