Some specifications for this reference are on file; the record is incomplete.
Greubel Forsey · Invention
Double Tourbillon 30°
Ref. Double Tourbillon 30°
currentModernPartially documentedLast reviewed Not yet reviewed
Missing informationCore fields not yet documented for this reference: Case diameter, Caliber, Water resistance, Dial
Component compatibility
What this reference is documented to have carried, and in what capacity. A service part is the manufacturer's own work; only a counterfeit classification is a finding against the watch.
Documented calibers
Whole production
Components
Whole production
Look at the internal angles. Machine tools round them; hands do not.