Secret

Brand  : Greubel Forsey
Collection  : Double Tourbillon 30°
Model  : Secret
Reference  :
Nber of pieces : 11
Complement : White Gold
On sale : 2011

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EDITORS REVIEW

Always the same art for the perfect watch but in a more intimate style with this watch in white gold: you keep to yourself the small and large secrets of the movement only visible through the sapphire crystal. Note the velvety appearance of the magnificent gold dial and the presence of the large counter at 6 o'clock.

  • Brand  : Greubel Forsey
    Collection  : Double Tourbillon 30°
    Model  : Secret
    Reference  :
    Nber of pieces : 11
    Complement : White Gold
    On sale : 2011
    List Price : On request
    Diameter : 43.5 mm
    Thickness : 15.84 mm
    Styles : High Horology
    Classical
    Types : Hand-winding
    Complication : 4-Minute Indicator
    Small Seconds
    Power Reserve Indicator
    Case material : Gold
    Case peculiarity : Sapphire caseback
    Polished bezel and centre band with hand-finished straight graining
    Shape : Round
    Water-resistance : 30 meters
    Dial : Gold
    Display : Hands
    Indexes : Baton-type
    Arabic numerals
    Glass : Domed
    Sapphire
    Strap material : Alligator leather
    Strap color : Black
    Strap clasp : Folding buckle
    + More characteristics : 30 ° inclined Double Tourbillon
    Outer Tourbillon 4-minute rotation indicator

    Movement
    304 parts
    2 Tourbillon cages : 128 parts
    Weight of the two cages : 1.17 g
    39 jewels
    Olive-domed jewels in gold chatons
    Power reserve : 72 hours
    Frequency :
    21 600 vibrations/hour
    Rapid rotating twin barrels one of which equipped with a slipping spring so as to avoid excess tension
    Balance wheel free sprung balance with white gold mean-time screws
    Main Plates in nickel silver with fine circular graining centred around the Tourbillon. finished in “jade gold”
    Bridges Hand-Frosted nickel silver. finished in «jade gold»
    Involute circle profile
    Conical gearing with corrected profile
    Inner Tourbillon
    Outer Tourbillon

    Crown in gold with engraved and black lacquered GF logo
    Raised polished engraving of the name of the Invention on a hand-punched background
    Gold security screws
    Three-dimensional lugs secured
    Hand-engraved individual number

    Hand-sewn strap
    Folding clasp engraved with the Greubel Forsey logo

DESCRIPTION

  • A well-guarded secret...

    A mechanism all to oneself

    When introducing their Double Tourbillon 30° at BaselWorld 2004, inventorwatchmakers Robert Greubel and Stephen Forsey defined an architectural approach focusing on the visibility of their invention, so as to ensure complete visual access to the double cage and its incredible mechanical choreography.

    Dedicated to connoisseurs of haute horlogerie with a preference for discretion and for whom observing the mechanism is
    an intensely personal pleasure, the Double Tourbillon 30° now appears in a less extrovert and one might almost say ‘secretive’ style, even though such a splendid dial naturally hints at the treasure it is guarding.

    A technical dial

    This exquisitely crafted, matt-finished gold dial suggests the presence of an exceptional mechanism thanks to its unusual and particularly wide subdial at 6 o’clock with a slender blued steel hand testifying to the four-minute rotation of the Double Tourbillon 30°’s outer cage.

    The power-reserve is displayed on a sector indicating the full 72 hours of perfect operation provided by rapid-rotating twin barrels.

    A limited edition of 11 timepieces

    Issued in a strictly limited edition of 11, the Double Tourbillon 30° “Secret ” comes in a white gold case that is entirely polished, apart from the centre band of the case which is delicately straight-grained by hand.

    For tunately however, the secret of this Double Tourbillon 30° is not impenetrable. Although hidden from view on the wrist, the choreographic performance of the cages can be admired through a caseback protected by a domed sapphire crystal. The 128 parts making up the first fundamental Greubel Forsey invention weigh a total of 1.17 grams, enabling the variable-inertia balance to oscillate to and fro three times a second, whereas its rotation axis shifts constantly due to the relative speeds of the cages and the 30° angle that links them together.

  • A well-guarded secret...

    A mechanism all to oneself

    When introducing their Double Tourbillon 30° at BaselWorld 2004, inventorwatchmakers Robert Greubel and Stephen Forsey defined an architectural approach focusing on the visibility of their invention, so as to ensure complete visual access to the double cage and its incredible mechanical choreography.

    Dedicated to connoisseurs of haute horlogerie with a preference for discretion and for whom observing the mechanism is
    an intensely personal pleasure, the Double Tourbillon 30° now appears in a less extrovert and one might almost say ‘secretive’ style, even though such a splendid dial naturally hints at the treasure it is guarding.

    A technical dial

    This exquisitely crafted, matt-finished gold dial suggests the presence of an exceptional mechanism thanks to its unusual and particularly wide subdial at 6 o’clock with a slender blued steel hand testifying to the four-minute rotation of the Double Tourbillon 30°’s outer cage.

    The power-reserve is displayed on a sector indicating the full 72 hours of perfect operation provided by rapid-rotating twin barrels.

    A limited edition of 11 timepieces

    Issued in a strictly limited edition of 11, the Double Tourbillon 30° “Secret ” comes in a white gold case that is entirely polished, apart from the centre band of the case which is delicately straight-grained by hand.

    For tunately however, the secret of this Double Tourbillon 30° is not impenetrable. Although hidden from view on the wrist, the choreographic performance of the cages can be admired through a caseback protected by a domed sapphire crystal. The 128 parts making up the first fundamental Greubel Forsey invention weigh a total of 1.17 grams, enabling the variable-inertia balance to oscillate to and fro three times a second, whereas its rotation axis shifts constantly due to the relative speeds of the cages and the 30° angle that links them together.

  • Always the same art for the perfect watch but in a more intimate style with this watch in white gold: you keep to yourself the small and large secrets of the movement only visible through the sapphire crystal. Note the velvety appearance of the magnificent gold dial and the presence of the large counter at 6 o'clock.

  • Brand  : Greubel Forsey
    Collection  : Double Tourbillon 30°
    Model  : Secret
    Reference  :
    Nber of pieces : 11
    Complement : White Gold
    On sale : 2011
    List Price : On request
    Diameter : 43.5 mm
    Thickness : 15.84 mm
    Styles : High Horology
    Classical
    Types : Hand-winding
    Complication : 4-Minute Indicator
    Small Seconds
    Power Reserve Indicator
    Case material : Gold
    Case peculiarity : Sapphire caseback
    Polished bezel and centre band with hand-finished straight graining
    Shape : Round
    Water-resistance : 30 meters
    Dial : Gold
    Display : Hands
    Indexes : Baton-type
    Arabic numerals
    Glass : Domed
    Sapphire
    Strap material : Alligator leather
    Strap color : Black
    Strap clasp : Folding buckle
    More characteristics : 30 ° inclined Double Tourbillon
    Outer Tourbillon 4-minute rotation indicator

    Movement
    304 parts
    2 Tourbillon cages : 128 parts
    Weight of the two cages : 1.17 g
    39 jewels
    Olive-domed jewels in gold chatons
    Power reserve : 72 hours
    Frequency :
    21 600 vibrations/hour
    Rapid rotating twin barrels one of which equipped with a slipping spring so as to avoid excess tension
    Balance wheel free sprung balance with white gold mean-time screws
    Main Plates in nickel silver with fine circular graining centred around the Tourbillon. finished in “jade gold”
    Bridges Hand-Frosted nickel silver. finished in «jade gold»
    Involute circle profile
    Conical gearing with corrected profile
    Inner Tourbillon
    Outer Tourbillon

    Crown in gold with engraved and black lacquered GF logo
    Raised polished engraving of the name of the Invention on a hand-punched background
    Gold security screws
    Three-dimensional lugs secured
    Hand-engraved individual number

    Hand-sewn strap
    Folding clasp engraved with the Greubel Forsey logo