Watch Specification: Model: SN0008-G-C Movement: Japan NH35 [Automatic mechanical movement] Case: Material - 316L Solid Stainless Steel Glass: Sapphire Crystal Glass, Blue Light AG Coating Bezel: Ceramic Bezel, 12 O'clock Luminous Markers Dial Color: Matte Black, Matte Blue,Hexagon Applied Logo Hands: GS Crafts Snowflake Hands, Luminous Coating Luminous: BGW-X1 Blue Light/ C3 Green Light, Hands and Markers Crown: Screw-down Crown,With 3D Hexagon Logo, Case Back: Screw-down Case Back, Brushed Process Strap: Female end links, 316L Solid Stainless Steel Bracelet; Pin Structure Links Clasp: Folding Clasp With Safety,With San Martin Hexagon Logo Water Resistant: 20Bar=200 meters Weight: about 148g Warranty: 2 Year Watch Dimension: Case Diameter: 40mm Lug to Lug: 49.5mm Thickness: 11.95mm Band Length: 200mm/7.9in Band width: 20mm