Watch Specification: Model: SN017-G-V3 Movement: Japan NH35 [automatic mechanical movement] Case material: 316L Stainless Steel Glass: Sapphire Crystal with AR coating Date Window Convex Mirror(2.5 times amplification effect) Bezel: 120 Clicks Unidirectional Chronograph Bezel, Ceramic Top Ring, 12 O'clock Luminous Markers Dial Color: 3D Hexagon Applique Logo, Hands: Steel Hands, Luminous Coating Luminous: BGW-9 Blue Light, Hands and Markers Crown: Screw-down Crown, With S logo Logo Case Back: Screw-down Case Back, Brushed Process Water Resistant: 20Bar/200 meters Watch Dimension: Case diameter: 40.5mm( without crown) Case Length:48mm(lug to lug) Case thickness: 13mm (including mirror) Lug width:20mm Our Service Warranty: 3 years Delivery: DHL Returns policy: Please check the website“Return / Exchange / Warranty Policy” Style: automatic watch, dive watch, luxury watch Package: watch, box, warranty card, user manual