Black Diesel Vert Black Watch Dz2193 Spruce Green The self winding Caliber 3255 movement The self winding Caliber 3255 movement delivers precision with a power reserve of 70 hours 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 Brand Diesel Model Style Code DZ2193 Gender Men Product Type Watch Colour Black Dial Colour Black Case Material Leather Case Size 44 mm Strap Band Leather Strap Band Width OS Warranty 2 year from date of purchase Country of Origin Japan Age Group Adults Care Clean the dial with a cotton cloth made in Japan