With all of the same calibre details as the original Double Tourbillon 30°, the Greubel Forsey Double Tourbillon 30° Secret conceals the movement from the front view of the dial. It can, however, be seen discreetly through the sapphire caseback. This watch is available in 18 karat white gold and is limited to 11 pieces. Brand: Greubel Forsey Model: Double Tourbillon 30° Secret Reference Number: Double Tourbillon 30° Secret Movement: Manual Winding Case Material: White Gold Case Size: 43.5mm Dial: Silvered Gold Bracelet/Strap: Leather Gender: Men's Watch/Unisex Warranty: Manufacturer's Warranty Features: Power Reserve Tourbillon Shop other beautiful pieces in our Greubel Forsey collection For inquiries on the piece please contact: boutique@shsilver.com