Greubel Forsey Double Tourbillon 30° Technique Titanium Black ADLC

Greubel Forsey Double Tourbillon 30 Technique, black DLC titanium gold case on a black calfskin strap, manual winding inclined double tourbillon movement, located at 6 o'clock the outer tourbillon cage rotates once every four minutes and the inner tourbillon once every 60 seconds, four co-axial mainspring barrels, 120-hour power reserve, completely skeletonized dial shows off the gorgeous movement, hours and minutes are displayed on a transparent sapphire crystal ring, power reserve indicator at 3 o'clock, running seconds at 9 o'clock, power barrel at 11, signed winding crown, sapphire crystal, display back, water resistant to 30 meters. Diameter: 47.5mm, Thickness 16.8mm. Like New with original Greubel Forsey presentation box, loupe, additional calfskin strap and papers dated 2017. The watch has a factory warranty until October 2025.