Graham Tourbillon Watch
From:
http://www.graham1695.com/en-gb/home.aspx
http://www.monochrome.nl/graham-tourbillon-orrery-looks-to-the-heavens
Production limited 20 watches.
Specifications:
Functions
http://www.graham1695.com/en-gb/home.aspx
http://www.monochrome.nl/graham-tourbillon-orrery-looks-to-the-heavens
Production limited 20 watches.
Specifications:
Functions
- Manual Tourbillon Orrery, mechanical solar system model with 100 year 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
- 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 mechanism), 21’600 A/h (3Hz), Incabloc shock absorber
- 35 Jewels
- Power reserve: 72 hours – 2 barrels
- 48 mm in diameter, 17.60 mm thick, pink gold, 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, domed sapphire crystal with anti-reflective coating on both sides
- 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
- Black dial with Geo.Graham Tourbillon Orrery inscription at 4 o’clock
- 3 scales – from the outside to the center: 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 center (Ø2.50mm). Counter-clockwise reading.