A truly spectacular wristwatch, the Invention 1 features time indicators revolving around the edges of Greubel-Forsey's unique invention, an open double tourbillon 30°.The dynamic duo have been creating spectacular timepieces since they teamed up in 1999. And coming off the Opus 6 they created for Harry Winston, they are back and badder than ever with this Invention Piece 1. The red arrow indicates the hours, …
Greubel-Forsey Invention Piece 1 Watch
