Model : Sheen Finished Stainless Steel Case, Polished Bezel, Stainless Steel End Link and Crown, White Dial, Steel Oversize Stick/Roman Hour Markers Leather Strap with Insiginia Tang BuckleMovement: Nickel Plated Asia 2824 Automatic Movement , 25J, 28800bph, Insignia Rotor Functions: Hours, Minutes, Secs, Day at 3.00 ( Set via Crown) Dimensions : Dia 39.5mm x 10mm Thk Material : 1 piece forged case construction, solid 316 Steel Back : Solid case back, Detail Serial Engraving Crown : One-piece Screw down crown with o ring Crystal: Sapphire crystal, AR coatedWater-resistant