Double Tourbillon

As he digs through a shoebox filled with spare parts, the genial and relaxed Gregory Bruttin—a movement developer at the Geneva watch manufacturer Roger Dubuis—bears little resemblance to the...
For the first time, Stephen Forsey and Robert Greubel have moved from their customary finishing technique to an openwork format, and the results are spectacular. This watch displays an innovative...
Designed as an homage to the watchmakers’ double tourbillon, the Invention Piece 1 uses an off-centered double tourbillon 30°, with the outer tourbillon 4-minute rotation indicator and inner...