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GREUBEL FORSEY "ARCHITECTURE":
A CITY ON THE WRIST
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The Tourbillon 24 Secondes Architecture is unlike any Greubel Forsey timepiece ever created. Its case is wholly atypical, its construction purposeful, its components sculptural, their mechanical interplay kinetic and the movement – simply spectacular! This new Greubel Forsey calibre within a new convex conical frustrum case shape represents a complete departure from traditional movement construction and aesthetics and brings an architectural experience to the wrist.
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History is made of continuous progress and, at times, clear ruptures. Fine Watchmaking is no exception, with 250 years of patiently accumulated achievements and, from time to time, breaches, upheavals or revolutions. Greubel Forsey initiated some of them with the Double Tourbillon 30°, the Quadruple Tourbillon, the Double Balancier and the Mechanical Computer of the QP à Équation, to name just a few.
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From an aesthetic point of view, its asymmetrical and convex case shapes, or its inclined escapements have opened up new paths in watchmaking design. But never before has Greubel Forsey taken the technical and aesthetic integration of one of its timepieces as far as it has with the Tourbillon 24 Secondes Architecture.
AN UNOBSTRUCTED VIEW
The new Tourbillon 24 Secondes Architecture is not easy to apprehend. Its components are suspended in space, revealing a harmonious composition of surfaces, shapes and movements.
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The case showcases the spectacle within firstly through the large opening on the dial side, encompassed by relief-engraved Greubel Forsey values that inspired this creation: Architecture, Harmonie, Innovation, Technique, Bienfacture, Passion, Science, Exclusivité, Créativité.
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A COMPLETELY NEW CASE CONSTRUCTION
In addition to its aesthetic contribution in showcasing the movement, the case offers a very unique experience on the wrist. Its convex shape profile ensures optimal ergonomics and wrist comfort. Pushing the envelope further still, Greubel Forsey has now conceived a case which is not only convex but also resembles a conical frustum in its geometry.
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A MOVEMENT UNLIKE ANY OTHER
While the case represents a significant technical feat in its own right, the Greubel Forsey movement remains the star of the show. The polished titanium bridges immediately stand out from the frosted finish of the mainplate, and spectacularly so: emerging seemingly out of nowhere, they wind their way through the movement to finally impose themselves flush with the sapphire crystal.
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Click , to see the large size. ▶ BIG FOTO
Click , to see the large size. ▶ BIG FOTO
Click , to see the large size. ▶ BIG FOTO
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AN EXCLUSIVE FUSION OF TECHNICITY AND AESTHETICS
The 354 parts of the movement are sculpted and arranged asymmetrically yet harmoniously, almost as if they had issued from an organic growth process found in the natural world.
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The Tourbillon 24 Secondes Architecture will be limited to only 11 pieces in 2022, then to 18 pieces a year between 2023 and 2025 for a total of 65 exclusive timepieces overall.
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TECHNICAL SPECIFICATIONS
Collection: CONVEXE Tourbillon 24
Model: Tourbillon 24 Secondes Architecture In titanium
Hand-wound movement with 2 patents
Tourbillon 24 Secondes • hours and minutes • small seconds
• 24-seconds tourbillon rotation • power-reserve
Movement
Movement dimensions
• Overall diameter: 38.70mm
• Thickness: 12.35mm
Number of parts
• Movement: 354 parts
• Tourbillon cage: 86 parts
• Weight of the cage: 0.38g
Number of jewels • 42
• Olived-domed jewels in gold chatons Chronometric power reserve • 90 hours
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Barrels
• Three coaxial series-coupled fast-rotating barrels
(1 turn in 3.2 hours), one of which is equipped with a slipping spring to avoid excess tension
• Engraved pattern with Greubel Forsey, lacquered, circular-grained
Balance wheel
• Variable-inertia with gold mean-time screws (10mm diameter)
Frequency • 21’600 vibrations/hour
Balance springs
• Phillips terminal curve
• Geneva-style stud
Bridges and main plate
• Titanium
• Frosted, polished bevelling and countersinks
• Polished spherical bridges, polished bevelling and countersinks
• Three-dimensional centre bridge, frosted, polished bevelling and countersinks
Movement side
• Three-dimensional power-reserve bridge, frosted, polished bevelling and countersinks
• Tourbillon bridge, polished bevelling and countersinks, circular-grained
• Engraved pattern with individual number,circular-grained, straightgrained flanks
Tourbillon
• Inclined at a 25° angle, 24-seconds rotation
• Light alloy cage pillars
• Titanium cage bridges
• Gold counterweight
Gearing
• Involute circle profile
• Tangential inclined gear on fixed wheel and
profiled teeth on escape wheel pinion
Displays
• Hours and minutes
• Small seconds
• Power reserve on a sector
• Tourbillon rotation
Exterior
Case
• Titanium and synthetic sapphire crystal
• Three-dimensional, variable geometry bezel with raised engraved text
• Synthetic sapphire crystal over the entire periphery of the caseband
• Three-dimensional, variable geometry lugs, hand-polished with handfinished straight graining
• Transparent back with synthetic sapphire crystal
• Titanium security screws
• Raised engraving “Architecture 1” and “Greubel Forsey”
Case dimensions
• Caseband diameter: 47.05mm
• Bezel diameter: 45.50mm
• Height: 16.80mm
Water resistance of the case
• Water-resistant 5atm - 50 m - 164ft (standard NIHS 92-20/SN ISO 22810:2010)
Crown
• Titanium, polished and frosted, with GF logo
Dial side
• Three-dimensional, variable geometry hour-ring, indexes with Super-LumiNova
• Power-reserve indicator, circular-grained, engraved and lacquered
• Gold small second indicator, circular-grained, polished flank
• 24-seconds tourbillon rotation indicator
Hands
• Hours and minutes, curved profile, polished steel with Super-Luminova
• Small seconds, red triangle
• Power-reserve rack, circular-grained, polished bevelling, straight-grained flanks
• 24-seconds double-tipped, black anodised aluminium
Strap and clasp
• Non-animal material, rubber with text in relief, titanium folding clasp, engraved GF logo
Limitation
Limited Edition of 65 pieces.
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Press Release - 2022
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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 32 925-4545
+41 32 925-4502
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