Gerald Genta Chronograph SeriesModel : Polished 316F Stainless Steel, White Dial, Sticks / Numeral Hour Markers, Leather Strap with with Insignia Insignia BuckleMovement: Swiss VK Quartz Chronograph Movement Functions: Hours, Minutes, Secs at 6.00, Chronograph, Date at 4.30 Window(Set By Crown) : 2.00 Pusher : Start Stop Chronograph, 4.00 Pusher : Reset Dimensions : Dia 41.5 mm x 11mmMaterial : 1 piece 316F Forge Stainless Steel Casework Back : Solid Caseback with Serial Engraving on Case rims... Crown : One-piece Screw down crown with o ring Crystal:Sapphire CrystalWater-Proof to 30m at Factory Complete with Boxset / Papers !!