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Graham Geo.Graham Orrery Tourbillon Watch

It's rare enough to see a wrist-bound planetarium. It's even rarer still to find one made using actual pieces of those celestial bodies. Such is the case with the Graham Geo.Graham Orrery Tourbillon Watch. A ball of turquoise represents the Earth, while the Moon and Mars are represented by polished globes of meteorites that originated there. It's powered by a custom mechanical movement from Christophe Claret and has a calendar life of 300 years. The Sun is represented by the pink gold tourbillon bridge with diamond endstone, which matches the 48mm 18K pink gold case. Finished with a hand-sewn blue alligator strap and limited to just eight pieces.