Monday, October 7, 2013

Girard-Perregaux - Haute Horlogerie Tourbillon with three gold Bridges


Girard-Perregaux - Haute Horlogerie Tourbillon with three Gold Bridges  NEW


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Adjustment of one gold Bridge on the movement


The design of the famous Girard-Perregaux Tourbillon with three gold Bridges not only balances aesthetics with technical prowess: it establishes a new vision of watchmaking - symbolic and eternal - creating a burst of emotion, nourished by a fantastic story and born in the hands of talented watchmakers.

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After more than 125 years of existence, the mechanism, which was patented in 1884, is still making the news. Available in a pink or white gold case, the mainplate is now sanded to enhance the three gold Bridges and the openworked barrel drum opens onto the micro-rotor.

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Adjustment of the tourbillon

The new fine features of the Girard-Perregaux Tourbillon with three gold Bridges underscore this architecture over which time has no command.

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Born in the hands of Constant Girard-Perregaux in the nineteenth century, the three Bridges movement is a revolution in the history of fine watchmaking. With it, the mechanism becomes a design feature in its own right, extending beyond a solely technical function.

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Adjustment of the tourbillon on the movement

The Tourbillon with three gold Bridges won supreme recognition in the form of a gold medal at the Paris International Exhibition in 1889 for bringing together all the know-how of Girard-Perregaux with an entire chapter of watchmaking history.

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Within a 41 millimeter diameter, which fits the wrist perfectly, the three, arrow-shaped parallel Bridges form the perfect balance. Their geometry allows for no mistakes as any imperfection would be revealed. Entirely hand-made, the finishings require such dexterity that they can only be done by a handful of craftsmen.

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Assembly of the three gold Bridges on the movement

The Bridges are "rounded-off": the bevelling gives them a domed shape, along their entire length, a perfect curve. Light glides and reflects off their "mirror polish" finishing, offering a captivating contrast with the matt mainplate.

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At 12 o'clock, the barrel drum is meticulously skeleton-crafted to reveal the oscillation of the elegant and ingenious platinum micro-rotor. The tourbillon system is also the subject of particular care as its 80 components need to be assembled in a 10 millimeter diameter.

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Adjustment of the hands

 The cage, like the escapement and pallets bridge are chamfered and hand-polished as are the gold adjustment screws.

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Casing

The GP09600 self-winding movement operates in the background. Entirely designed and assembled in the Manufacture's workshops, it offers the qualities of the greatest fine watchmaking mechanisms: those that strike the perfect balance between art and technique.

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Adjustment of the crown

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Adjustment of the case-back on the case

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TECHNICAL SPECIFICATIONS

Ref:  99193-53-002-BA6A (white gold case)
Ref:  99193-52-002-BA6A (pink gold case)

  Case pink or white gold
Dimensions: 41,00 mm
Glass: anti-reflective sapphire
Case-back: sapphire crystal, secured by 6 screws
Water resistance: 30 meters (3 ATM)
  Self-winding mechanical movement
Diameter: 31.00 mm (13 3/4 ‘’’)
Frequency: 21,600 Vib/h - (3 Hz)
Power reserve: min. 48 hours
Jewels: 31
Number of components: 256
Spiral: Philips terminal curve
Mainplate: sanded and pearled finishing, hand-polished chamfers
Bridges: “rounded-off” three gold Bridges, arrow-shaped, chamfered
and hand-polished
Barrel: skeleton-crafted and engraved cover
  Calibre      
GP09600-0024 movement (white gold case)
GP09600-0022 movement (pink gold case)
Tourbillon:
– 80 components for a total 0.3 grams in weight
– one revolution per minute
– chamfered and hand-polished upper and lower cages
– chamfered and hand-polished escapement and pallets bridge
Functions: 
hour, minute, small second on the Tourbillon
  Black rubber strap
Pink gold folding buckle
White gold folding buckle

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