Astronomia Revolution Black Gold Color:Black Gold The Franck Muller Vanguard Yachting The Franck Muller Vanguard Yachting (Model V 45 CC DT YACHT (NR) 5N) combines nautical inspired design with precision Swiss craftsmanship 5 mmCase Shape: RoundCase Back: TransparentDial Color: Matt whiteHour Markers: Applied indexCrystal: Scratch resistant sapphireCrown: Pull Push (non screw in)Band Type: BraceletBand Material: Stainless SteelClasp: Folding claspBuckle Material: Stainless SteelWater Resistance: 30 meters 3 ATMFunctions: Hours Black Polycarbonate with 5N Applied Indices Hands: 5N Red Gold Dauphine Arrow: Steel with Pyramid shaped Synthetic Ruby Tip Strap Bracelet Strap: Alligator Leather Clasp: 18K Black Gold Deployment Buckle Limited Edition 6 Pieces Gender Unisex Origin Switzerland 680 Movement Caliber: JCAM48B Winding: Hand Wound Components: 434 Power Reserve: 30 Hours Frequency: 21'600 vph (3Hz) Functions: Vertical Rotating Central Platform: Rotation in 60 Seconds Flying Double Axis Tourbillon 1st Axis: Rotation in 60 Seconds 2nd Axis: Rotation in 15 Seconds Constant Force Device with 1 6th of a Second Loading Frequency Off centered Hour and Minute Dial with Differential Rotating Seconds Hand: Counterclockwise Rotation in 15 Seconds Case Diameter: 47 mm Height: 27 mm Material: 18K Black Gold and Single block Sapphire Caseband Crystal: Curved Anti Reflective Sapphire Crystal Caseback: 18K Black Gold Water Resistance: 30m (3atm) Dial Base: Black Spinel Subdial: Skeleton