
Double Tourbillon 30° Technique
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Or Gris · Or Rouge · Platine · Saphir · Titane · Céramique
The Double Tourbillon Technique is a case study in precision mechanical watchmaking with the sapphire crystal acting as a portal through which to observe the mesmerizing workings of the intricately interlocking parts. The eye is naturally drawn from one gear to the next, enabling careful observation of each separate element. With the Double Tourbillon Technique, Greubel Forsey has created a truly stunning timepiece that is faithful to their philosophy of technical visibility. Each and every element of the mechanism is enhanced and displayed without overshadowing others. At the heart of the timepiece is the Double Tourbillon 30˚ mechanism; however, to perpetuate the art of horology and contribute to its 21st century development, several additional technical elements have been added, including four fast rotating co-axial barrels guaranteeing 120 hours of autonomy. By virtue of its fully visible mechanism, the Double Tourbillon Technique is a showcase for Greubel Forsey’s unique blend of technical mastery coupled with superb aesthetic finishing. The timepiece reinforces Greubel Forsey’s commitment to absolute quality and fine craftsmanship, also expressed in the discreet message from the inventor watchmakers engraved around the case band. These highly personal words convey Greubel Forsey’s total dedication to its art and its contribution to horological advancement through fundamental research, the sophisticated architecture of its movements and its relentless pursuit of optimal timekeeping.
Invention
Double Tourbillon 30˚ Technique
Double Tourbillon 30° Technique
Double Tourbillon 30°, Hours and minutes, Small seconds, Outer tourbillon rotation in 4 minutes, Inner tourbillon rotation in 60 seconds, Power reserve
Case material
Or gris, Or rouge, Platine, Saphir, Titane, Céramique
Limitation
188 pièces (2009-2022)
Power reserve
120 heures
Case diameter
47.5 mm
Water resistance
3atm - 30m - 100ft
Number of parts
396
Frequency
21'600 alternances/heure
Case height
16.84 mm

























