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GRAHAM is possessed of the same driving passion as George Graham, who in the 18th century, devoted his life to the creation of the unmakeable.

“Honest” George as he was known, transformed his world through his art. He was the inventor of the first Orrery in 1713.

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Friends with astronomers such as Sir Isaac Newton or Edmond Halley, he created the first mechanical solar system model, in 1713. The invention was presented to Charles Boyle, 4th Earl of Orrery, from which all such tellurians and planetariums take their name. The Orrery overturned the conventions of watchmaking and astronomy and it was all of 300 years ago!

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So GRAHAM now celebrates the 300th anniversary of the invention of the Orrery by launching a limited edition timepiece at the highest level of innovation in watchmaking; the Orrery wrist machine.

High-technology was used to realise a tri-dimensional Tourbillon Orrery. Set in motion by Christophe Claret Manufacture in Le Locle, Switzerland, the Orrery includes the Moon, Earth, Mars and the Sun based on a 300-year calendar. The Sun represented by a pink gold (18K) hand-engraved Tourbillon bridge with two Phoenix heads celebrates the decoration used by George Graham.

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The year counter on the case back enables to identify correction for the planets (Moon: 7 years, Earth: 1156 years, Mars: 25 years). The wrist Orrery developed by GRAHAM is functional for the next 300 years. Future GRAHAM generations will hopefully create the third Orrery in 2313.
Designed to last a lifetime and longer, just 20 pieces of this magnificent watch will be released.


Functions: Manual Tourbillon Orrery, mechanical solar system model with 100 years calendar
(two additional graduations of 100 years - 300 years in total). Year counter on the
case back with planet correction indicators. (Moon: 7 years, Earth: 1156 years,
Mars: 25 years)
Hours, Minutes
Calibre G1800, high precision mechanical movement exclusively made for GRAHAM by
Christophe Claret with Haute Horlogerie finishing, circular "Côtes de Genève"
decoration, Tourbillon Orrery (solar system mecanism), 21'600 A/h (3Hz), Incabloc
shock absorber
35 jewels
Power reserve: 72 hours - 2 barrels

Visit the GRAHAM website