Graham Geo Graham Orrery Tourbillon
18ct rose gold Geo Graham Orrery Tourbillion.
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.
Limited edition 20 pieces.
Water resistant up to 50m.
Power reserve: 72 hours.