GRAHAM – GEO.GRAHAM Tourbillon White Gold Limited Edition NEW
Celestial mechanics have been a major scientific quest for centuries as well as a constant source of fascination and inspiration for mankind.
Our senses are aroused as we gaze at the celestial mystery and serene beauty of the Moon.
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In 2012, the brand unveiled the Geo.Graham The Moon in a pink Gold version featuring blue details.
This year Graham London presents a white gold model highlighted with black background.
“The Moon has a face like the clock in the hall” wrote Robert Louis Stevenson in one of his poems, finely insisting on the undeniable connection between time and space.
GRAHAM celestial manual flying Tourbillon, called Geo.Graham The Moon, which features a perpetual moon retrograde function, embodies the mastery of astronomy applied to high-end watch making.
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His head up to the sky, George Graham had a great love for observing the Moon while creating his time machines. He spent lots of his time staring at the universe and finding many solution to his mechanical watch making dilemma. Friend of the astronomers, he worked on Sir Newton’s theories of gravitation to elaborate very precise mechanisms combining the magic of the sky and watch making science.
Observation made by George Graham for the Royal Society © Royal Society
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Over the years, the Moon has remained an object of curiosity which has greatly influenced life on Earth. It has helped to determine physical locations, to track time and more generally to develop mathematics and science. People switched from simply watching the time pass by, to the use of time as an inestimable travelling tool.
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View of the whole celestial sphere
Geo.Graham The Moon is a history making celestial representation. Its name pays tribute to the GRAHAM tradition and heritage descending from George Graham who engraved his signature on each of his exclusive creations since 1695.
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Original movement by George Graham
It is a truly unique watch that combines a flying tourbillon with a high-precision retrograde moon-phase perpetual function, the cycle being calculated on the Moon’s exact synodic period for a duration of 122 years.
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At the end of each synodic period, the retrograde mechanism ensures that the Moon jumps back to the beginning of a new moon-phase cycle.
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Big in appearance, our Moon only weights 0.07 grams and is hand-painted by local craftsmen in Le Locle. To avoid any damage on the lunar disc and attenuate the retrograde fall, a double absorber system has been developed exclusively for GRAHAM by Christophe Claret in Locle.
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The synodic period equals 29 days, 12 hours, 44 minutes and 2.9 seconds which corresponds to 2’551’442.9 seconds. Once correctly set, this high-precision moon phase will only require adjustment once every 122 years by a single push on the corrector!
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Scientists such as Isaac Newton or George Graham have made major discoveries as they realized that combining astronomy and time keeping would lead to remarkable advancement. The main difficulty of the watch lies in the delicate and complex flying Tourbillon. It challenges Newton’s law of gravitation and also pays tribute to his remarkable findings. The Geo.Graham tourbillon rotates on a ball bearing to substitute rolling for sliding friction.
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Our movement is coated in black and adorned with constellations of 48 diamonds (0.24 cts) (flange collar: 11 diamonds, dial: 34 diamonds) such as Camelopardalis, Perseus, Cassiopeia, Ursa Major, Ursa Minor and at the centre becoming the North Star’s position.
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To magnify the moon phase, the white gold (18K) case is crowned with a black Milky Way sapphire painted bezel. It offers you a unique view of the universe through a refracting telescope.
Geo.Graham The Moon is the ultimate representation of the association of astronomy and extraordinary watch making. It pays tribute to the early 18th century which saw the creation of new measurement instruments by George Graham for his friend Edmond Halley and the Greenwich Royal Observatory in London.
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Renewal, mystery, intuition, wonder, balance, fertility; this is what the Moon refers to. Combined with our rich heritage it is also what will exude the Geo.Graham and its constellations of diamonds.
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Technical Specifications
Model: GEO.GRAHAM The Moon Tourbillon White Gold Black
Ref. 2GGAW.B01A.C154Y
Limited edition: 8 unique piece
Functions
Manual Flying Tourbillon,
Moon retrograde with precision of 122 years
Hours, minutes, seconds
Movement
Calibre G1769,
High precision mechanical movement with Haute Horlogerie finishing,
Moon retrograde Tourbillon (moon returns backwards to zero at the end of its cycle every
29 days, 12 hours, 44 minutes), 21'600 A/h (3Hz),
Incabloc shock absorber
29 jewels
Power reserve : 96 hours
Case
46 mm white gold (18K) case
White gold (18K) right hand control crown decorated with a black onyx stone
Domed and metal coated milky way sapphire bezel
Domed sapphire crystal, anti-reflective coating on both faces
See-through sapphire crystal case back with serial number hand-engraved
Water resistance:
100 feet / 30 m / 3 bar
Dial
Black dial with constellation of 48 diamonds (~0.24 cts)
Hand-painted moon
White gold (18k) skeleton hands
Strap
Black croco strap
White gold (18K) folding buckle
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Press release
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