Friday, October 12, 2012

GRAHAM – Geo.Graham The Moon Tourbillon


GRAHAM GEO.GRAHAM THE MOON Limited Edition
 
Celestial mechanics have been a major scientific 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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“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. 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.

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.
It is a truly unique watch that combines a flying tourbillon with a high-precision retrograde moonphase perpetual function, the cycle being calculated on the Moon’s exact synodic period for a duration of 122 years. 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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Constellations of diamonds

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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 View of the whole celestial sphere
 
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 blue and adorned with constellations of 45 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 pink gold (18K) case with faceted horns is crowned with a 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.

Renewal, mystery, intuition, wonder, balance, fertility; this is what the Moon and stars refer 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

Functions 
Manual Flying Tourbillon,
Moon retrograde with precision of 122 years
Hours, minutes, seconds
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 pink gold (18K) case with faceted horns
Pink gold (18K) right hand control crown decorated with a sapphire 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

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www.Graham-London.com

Wednesday, October 10, 2012

Longines - Heritage Avigation Type A-7














LONGINES - Heritage Avigation Watch Type A-7


Founded in 1832 in Saint-Imier, the famous Swiss watch brand can boast a long tradition characterised by the elegance of its products. The Longines Avigation Watch Type A-7 has been inspired by the brand’s rich history and its close relationship with the world of aviation

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Performance and precision – which are essential qualities in this field – are abundant in this exceptional chronograph, which is fitted with the single push-piece column-wheel movement that was developed exclusively for Longines. Its characteristic design, marked by an impressive diameter and angled dial, is extremely eye-catching and perfectly illustrates Longines’ famous know-how.

The model on which The Longines Avigation Watch Type A-7 is based was a superb amalgam of precision and high quality. Today, Longines presents this exceptional model which will no doubt go down in the annals of the brand’s rich heritage. At the beginning of the 20th century the name of Longines was closely associated with the pioneers of aviation – those men and women who attempted the impossible and left their mark on history. Guaranteeing precision and quality, Longines timepieces were an essential part of the equipment of these aviators during their exploits.

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The Longines Avigation Watch Type A-7 was inspired by models developed during the 1930s that had to meet extremely stringent criteria from the point of view of appearance, quality and precision in order to be selected by aviators and bear the name “Type A-7” given by the U.S. Army. Their large diameter and fluted crown enabled them to be easily read and quickly manipulated, even if the pilot was wearing thick gloves. The angled black dial with its large white numerals also ensured easy reading in poor light or turbulence. The angle of the dial was specially designed for the chronograph to be worn on the inside of the wrist. This meant that the dial was aligned with the aircraft’s instruments and the pilot could read the timepiece without moving his or her arm or letting go of the controls.

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 The racy elegance of The Longines Avigation Watch Type A-7 single push-piece chronograph immediately catches the eye. The steel case has a diameter of 49 mm and houses an L788 calibre, a column-wheel movement developed exclusively for Longines.


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The various chronograph functions – start, stop and reset to zero – can all be operated by pressing the single push-piece set in the fluted crown. In imitation of the aviators’ timepieces, the dial is angled at 50° to the right and features large white Arabic numerals, all of which make up the exceptional character of this timepiece. Its sleek appearance is enhanced by the tachometer scale around the outer edge of the dial and the Breguet minute and hour hands. The whole is mounted on a black alligator strap. Furthermore, the intricate workings of this exceptional piece can be admired through the hinged cover on the sapphire glass back of The Longines Avigation Watch Type A-7.





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Technical specifications

Case

  • Shape: Round
  • Material: Stainless steel
  • Glass: Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on the underside
  • Case back: Transparent case back with back cover
  • Dimension: Ø 49.00 mm
  • Water resistance: Water-resistant to 3 bar

Movement and Functions

  • Caliber: L788, Self winding mechanical column wheel chronograph movement beating at 28'800 vibrations per hours and providing 54 hours of power reserve
  • Function: Hours, minutes, small second at 9 o'clock and date. Chronograph mechanism: central 60 seconds hand and 30 minutes counter at 3 o'clock.

Dial and Hands

  • Color: Black matt
  • Hours markers: Painted Arabic numerals
  • Specificities: Tachymeter scale
  • Hands: Silvered sandy hands

Bracelet

  • Material: Alligator strap
  • Color: Black
  • Buckle: With buckle

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 For further information please contact:
Longines International Public Relations
2610 Saint-Imier, Switzerland
publicrelations@longines.com
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www.facebook.com - Longines
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www.Longines.com