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
Case
48 mm pink gold (18K) case
17.60 mm thick
Pink gold (18K) right hand control crowns (planets ‘ crown at 2 o ‘clock, manual winding and time crown at 3 o ‘clock), Moon corrector at 4 o ‘clock, Mars corrector at 10 o ‘clock
Pink gold (18K) bezel
Domed sapphire crystal, anti-reflective coating on both faces. Full size dimension: 43.5mm opening
See-through sapphire crystal case back with 100-year scale, Moon and Mars correction indicators and serial number hand-engraved
Water resistance
160 feet / 50 m / 5 bar
Dial
Black dial with Geo.Graham Tourbillon Orrery inscription at 4 o ‘clock
3 scales – from the outside to the centre: hours and minutes scale, Gregorian calendar (365.25 days – Earth indicates the date), Zodiac scale (12 astrological signs – Earth indicates the zodiac sign). Counter-clockwise reading.
Solar system: The Moon (rhodium, Ø0.90 mm); The Earth (blue sapphire, Ø3.20 mm); Mars (ruby, Ø1.70 mm); The Sun (pink gold (18K) – hand-engraved Tourbillon bridge with 2 Phoenix heads inspired by George Graham decoration and a close set diamond at the centre (Ø2.50mm). Counter-clockwise reading.
Off-centre skeleton pink gold (18K) hands with black Super-LumiNova coating
Strap
Hand-sewn black croco
Pink gold (18K) pin buckle
Price
Upon request
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