The Greubel Forsey Quadruple Tourbillon à Différentiel is a blend of art and technical innovation that encapsulates the very soul of its two creators with its fascinating four tourbillons. This watch is fitted with an asymmetrical case in black ADLC titanium measuring 43.50mm in diameter and 16.11mm in thickness. This fascinating timepiece is fitted with a lateral window on the case band at 8 o'clock that allows for full view of one of the double tourbillon cages. The alternating satin brushed and polished areas on the case create the perfect symphony that houses such a magnificent complication and a gorgeous black dial.
The beating heart of this magnificent piece of 'haute horlogerie' is the Greubel Forsey calibre GF03 composed of 531 parts, 2 double-tourbillon cages with 128 parts each, a spherical differential composed of 28 parts and 63 olived-domed jewels in gold chatons. When fully wound, the calibre provides a power reserve of 50 hours beating at a frequency of 21,600 vph. The calibre is of course fully visible via the display case back.
The Greubel Forsey Quadruple Tourbillon à Différentiel Black ADLC Titanium is available in a limited number of eight pieces. If you appreciate 'haute horlogerie' and you have the money to play in the game, this timepiece one of the most fascinating complications ever created.
Sticker Price CHF684,000 Swiss Francs —approximately $690,000 USD. For more info on Greubel Forsey click here.