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{"Compl\u00e9ment":"Platinum","Statut de vente":"En vente depuis","Date":"2012","Pi\u00e8ce unique":"No","S\u00e9rie limit\u00e9e":"Oui","Nombre d exemplaire":"8","Sexe":"Homme","Gaucher":"No","Diam\u00e8tre":"43.50","Epaisseur":"16.11","Types":"Hand-winding","Styles":"Atypical, High Horology","Calibre_autre":"GF03j","Calibre distinction":"Circular Graining","Affichage_autre":"4-minute and power-reserve in polished gold, GGHour and minute and small second in black steel","Complication":"Tourbillon, Small Seconds, Power Reserve Indicator","Mati\u00e8re du bo\u00eetier":"Platinum","Particularit\u00e9 du boitier":"Sapphire caseback","Particularit\u00e9 du boitier_autre":"Three-dimensional variable geometry-shaped lugs, Polished bezel and centre band with hand-finished straight graining, Crown in platinum with engraved and black lacquered GF logo, Gold security screws","Etanch\u00e9it\u00e9":"30 meters","Forme":"Other","Couleur du cadran":"Silver","Index":"Baton-type, Arabic numerals","Index_autre":"Applied gold GF logo","Verre":"Domed, Sapphire","Mati\u00e8re du bracelet":"Alligator leather","Fermeture du bracelet":"Folding buckle ","Couleur du bracelet":"Black","Plus de caract\u00e9ristiques":"Movement<br \/>63 jewels<br \/>519 parts<br \/>Diameter : 36.40 mm<br \/> Thickness : 9.85 mm<br \/>Olived-domed jewels in gold chatons<br \/>Frequency :<br \/>21 600 vibrations\/hour<br \/>Power reserve of 50 hours<br \/>Rapid rotating twin barrels (1 turn in 3.2 hours). one of which is equipped with a slipping spring to avoid excess tension<br \/>Free sprung variable-inertia balance with gold mean-time screws <br \/>(10 mm diameter)<br \/>Phillips terminal curve<br \/>Geneva-style stud<br \/><br \/>Main plates :<br \/>Nickel silver<br \/>Spotted with polished bevelling<br \/>Straight-grained flanks<br \/>Nickel-palladium treatment<br \/><br \/>Bridges : <br \/>Nickel silver<br \/>Frosted<br \/>Spotted with polished bevelling<br \/>Nickel-palladium treatment<br \/>Gold plate engraved with the individual number<br \/>Two steel tourbillon bridges (movement side) : hand-bevelled. flat black polished with polished countersinks<br \/>Two nickel silver tourbillon bridges <br \/>(dial side)<br \/><br \/>Gearing :<br \/>Involute circle profile<br \/>Conical gearing with corrected profiles<br \/><br \/>Tourbillon<br \/> Total weight of the cages : 2.35 g<br \/><br \/>Inner tourbillons :<br \/>Inclined at a 30\u00b0 angle<br \/>1 rotation per minute<br \/><br \/>Outer tourbillons :<br \/>1 rotation in 4 minutes<br \/>Hand-bevelled and openworked cage pillars<br \/>1 gold counterweight per double cage<br \/><br \/>Case<br \/>Platinum 950<br \/>Lateral window with shaped synthetic sapphire crystal<br \/>Hand-engraved individual number<br \/>Raised polished engraving 'Quadruple Tourbillon' on a hand-punched background<br \/><br \/>Dial<br \/>Gold display sectors <br \/><br \/>Strap<br \/>Hand-sewn<br \/>Platinum 950 folding clasp<br \/>Hand-engraved with the Greubel Forsey logo "}
Sapphire caseback
Three-dimensional variable geometry-shaped lugs Polished bezel and centre band with hand-finished straight graining Crown in platinum with engraved and black lacquered GF logo Gold security screws
Shape :
Other
Water-resistance :
30 meters
Dial color :
Silver
Display :
4-minute and power-reserve in polished gold GGHour and minute and small second in black steel
Movement 63 jewels 519 parts Diameter : 36.40 mm Thickness : 9.85 mm Olived-domed jewels in gold chatons Frequency : 21 600 vibrations/hour Power reserve of 50 hours Rapid rotating twin barrels (1 turn in 3.2 hours). one of which is equipped with a slipping spring to avoid excess tension Free sprung variable-inertia balance with gold mean-time screws (10 mm diameter) Phillips terminal curve Geneva-style stud
Main plates : Nickel silver Spotted with polished bevelling Straight-grained flanks Nickel-palladium treatment
Bridges : Nickel silver Frosted Spotted with polished bevelling Nickel-palladium treatment Gold plate engraved with the individual number Two steel tourbillon bridges (movement side) : hand-bevelled. flat black polished with polished countersinks Two nickel silver tourbillon bridges (dial side)
Gearing : Involute circle profile Conical gearing with corrected profiles
Tourbillon Total weight of the cages : 2.35 g
Inner tourbillons : Inclined at a 30° angle 1 rotation per minute
Outer tourbillons : 1 rotation in 4 minutes Hand-bevelled and openworked cage pillars 1 gold counterweight per double cage
Case Platinum 950 Lateral window with shaped synthetic sapphire crystal Hand-engraved individual number Raised polished engraving 'Quadruple Tourbillon' on a hand-punched background
Dial Gold display sectors
Strap Hand-sewn Platinum 950 folding clasp Hand-engraved with the Greubel Forsey logo
DESCRIPTION
Greubel Forsey presents the Quadruple Tourbillon Secret
The Quadruple Tourbillon Secret represents a special link between Robert Greubel, Stephen Forsey and the collector. The ultimate refinement, this timepiece evokes to the passionate enthusiast the promise of an exceptional movement in which, a magical mechanical ballet plays out on a hidden stage visible only through the display back. The dial side redefines the expression of telling the time with its harmonious arrangement of multiple dials. Ultra-exclusive, the Quadruple Tourbillon Secret comes in a unique edition of eight pieces in 5N red gold and eight pieces in platinum.
Conceal . . .
The Quadruple Tourbillon Secret redetermines the expression of time which plays out its many paradoxes. A play of seduction in which fantastic mechanisms are subtly revealed by indications imperturbably bearing witness to their existence; a play in which a contemporary dynamic is created by overlapping curves within curves, in which symmetry gives way to asymmetry.
. . . to better reveal
The ultimate in refinement, the ballet of the tourbillons is visible only through the synthetic sapphire crystal display back. This private micro-mechanical performance becomes a witness to the bond that unites the owner with the values of Greubel Forsey. A bond further strengthened by the precious exclusivity of the Quadruple Tourbillon Secret.
The Quadruple Tourbillon
This timepiece houses Greubel Forsey’s second fundamental invention, the Quadruple Tourbillon : a reliable high-performance mechanism comprising four tourbillons configured in independent pairs, which are linked by a spherical differential that averages out any timing errors between the two regulators. Particularly in stable positions, timekeeping accuracy is improved by the Quadruple Tourbillon.
Greubel Forsey presents the Quadruple Tourbillon Secret
The Quadruple Tourbillon Secret represents a special link between Robert Greubel, Stephen Forsey and the collector. The ultimate refinement, this timepiece evokes to the passionate enthusiast the promise of an exceptional movement in which, a magical mechanical ballet plays out on a hidden stage visible only through the display back. The dial side redefines the expression of telling the time with its harmonious arrangement of multiple dials. Ultra-exclusive, the Quadruple Tourbillon Secret comes in a unique edition of eight pieces in 5N red gold and eight pieces in platinum.
Conceal . . .
The Quadruple Tourbillon Secret redetermines the expression of time which plays out its many paradoxes. A play of seduction in which fantastic mechanisms are subtly revealed by indications imperturbably bearing witness to their existence; a play in which a contemporary dynamic is created by overlapping curves within curves, in which symmetry gives way to asymmetry.
. . . to better reveal
The ultimate in refinement, the ballet of the tourbillons is visible only through the synthetic sapphire crystal display back. This private micro-mechanical performance becomes a witness to the bond that unites the owner with the values of Greubel Forsey. A bond further strengthened by the precious exclusivity of the Quadruple Tourbillon Secret.
The Quadruple Tourbillon
This timepiece houses Greubel Forsey’s second fundamental invention, the Quadruple Tourbillon : a reliable high-performance mechanism comprising four tourbillons configured in independent pairs, which are linked by a spherical differential that averages out any timing errors between the two regulators. Particularly in stable positions, timekeeping accuracy is improved by the Quadruple Tourbillon.
Sapphire caseback
Three-dimensional variable geometry-shaped lugs Polished bezel and centre band with hand-finished straight graining Crown in platinum with engraved and black lacquered GF logo Gold security screws
Shape :
Other
Water-resistance :
30 meters
Dial color :
Silver
Display :
4-minute and power-reserve in polished gold GGHour and minute and small second in black steel
Indexes :
Baton-type Arabic numerals
Applied gold GF logo
Glass :
Domed Sapphire
Strap material :
Alligator leather
Strap color :
Black
Strap clasp :
Folding buckle
More characteristics :
Movement 63 jewels 519 parts Diameter : 36.40 mm Thickness : 9.85 mm Olived-domed jewels in gold chatons Frequency : 21 600 vibrations/hour Power reserve of 50 hours Rapid rotating twin barrels (1 turn in 3.2 hours). one of which is equipped with a slipping spring to avoid excess tension Free sprung variable-inertia balance with gold mean-time screws (10 mm diameter) Phillips terminal curve Geneva-style stud
Main plates : Nickel silver Spotted with polished bevelling Straight-grained flanks Nickel-palladium treatment
Bridges : Nickel silver Frosted Spotted with polished bevelling Nickel-palladium treatment Gold plate engraved with the individual number Two steel tourbillon bridges (movement side) : hand-bevelled. flat black polished with polished countersinks Two nickel silver tourbillon bridges (dial side)
Gearing : Involute circle profile Conical gearing with corrected profiles
Tourbillon Total weight of the cages : 2.35 g
Inner tourbillons : Inclined at a 30° angle 1 rotation per minute
Outer tourbillons : 1 rotation in 4 minutes Hand-bevelled and openworked cage pillars 1 gold counterweight per double cage
Case Platinum 950 Lateral window with shaped synthetic sapphire crystal Hand-engraved individual number Raised polished engraving 'Quadruple Tourbillon' on a hand-punched background
Dial Gold display sectors
Strap Hand-sewn Platinum 950 folding clasp Hand-engraved with the Greubel Forsey logo
