I . Item Number BU200.40.AA.AA.B II . Movement Caliber : JCAM37 Winding : Hand-wound Components : 578 Power Reserve : 60 Hours Frequency : 21'600 vph (3 Hz) Functions : Hours, Minutes One-minute Flying Tourbillon with 30° Incline W16 Engine-block Automaton Power Reserve Indicator at 9 o'clock III . Case Size : 55x44 mm Height : 22 mm Material : 18K Rose Gold and Sapphire Crystals Crystal : Anti-Reflective Sapphire Crystal Caseback : 18K Rose Gold and Sapphire Crystal Crowns and Pusher : Black Ceramic Water resistance : 30 m (3 atm) IIII . DIAL & HANDS Dial : Rose Gold-plated Dial with Blue Indices and Blue "EB" Logo Hands: Rose Gold-plated Skeleton Hands with Blue and Luminescent Tips V . Strap & Clasp Strap : Openworked Rubber Clasp : 18K Rose Gold Deployant Clasp VI . Limited Edition 72 Pieces