Case: Black ceramic Bezel: Black ceramic Crystal: Sapphire crystal Case size: 45mm Case thickness: 11mm Dial: Blue gradient Movement: HUB6010 Hand-wound tourbillon Power reserve: Approx. 120 hours Specifications: Hours, minutes, seconds display Tourbillon Strap: Black calf leather x black rubber strap Buckle: Stainless steel folding buckle Water resistance: 30m water resistance Accessories: Special case Replacement strap (black rubber) *Hublot has transitioned to e-warranty, so there is no warranty card. Condition: Used [Windshield] No scratches or chips on the glass; in very good condition. [Hands/Dial] No discoloration or scratches; both hands and dial are in very good condition. [Bezel] No scratches or dents; in very good condition. [Case] There are some minor scratches. Overall, it is in very good condition. 【Case Back】No scratches on the glass or case back itself; in excellent condition. 【Strap】Shows almost no signs of use; in excellent condition for continued comfortable wear. 【Buckle】Only minor linear scratches; overall in excellent condition. Overall, it is a beautiful piece with only minor, slight scratches. Even those seeking a model in excellent condition should find this satisfying. The Classic Fusion series reimagines and redesigns the classic collection passed down since the brand's founding with a modern twist. The Classic Fusion, with its slim and simple structure, is a popular collection that combines the aspects of a sports watch with those of a dress watch. This is the Classic Fusion Skeleton Tourbillon Blue Gradation, a world limited edition of 18 pieces. The striking and original blue gradient finish is unified with black on the dial, bezel, and case, vividly emphasizing the dial's blue gradient and creating a truly beautiful, luxurious atmosphere.It houses the Caliber HUB8001 movement. The see-through case back allows you to admire the movement's mechanics. This piece will delight not only watch enthusiasts but also those with a passion for mechanics.