The Double Tourbillon 30° Technique is an open worked version of the first watch Greubel Forsey ever launched; the Double Tourbillion 30°. Hour indices on a sapphire disc appear to float inside the case and every aspect of the movement seems to jump out at you. The bright blue dial of the Technique Blue makes this watch a treat to look at and accentuates each aspect of the movement. Limited to 33 pieces total with 11 in platinum, 11 in white gold, and 11 in titanium. Brand: Greubel Forsey Model: Double Tourbillon 30° Technique Blue Reference Number: Double Tourbillon 30° Technique Blue Movement: Manual Winding Case Material: White Gold, Platinum, or Titanium Case Size: 47.5mm Dial: Blue Bracelet/Strap: Leather Gender: Men's Watch/Unisex Warranty: Manufacturer's Warranty Features: Tourbillon Small Seconds Power Reserve Shop other beautiful pieces in our Greubel Forsey collection For inquiries on the piece please contact: boutique@shsilver.com