Matte Black Dial (NH35A Movement) / Vintage Leather Dial (YN55A Movement) Model: SN004-G V3 Movement: NH35/YN55A [automatic mechanical movement] Case: Material - 316L Stainless Steel 38 mm in diameter Lug to Lug 46 mm Thickness 13mm Band width 20 mm Glass: Sapphire Crystal Glass,AR Coating Bezel: 120 Clicks Unidirectional Chronograph Bezel,Ceramic Top Ring, 12 O'clock Luminous Markers Dial Color: Vintage Leather Dial, Matte Black Dial + Printed 3D Time Scale Hands: DLC Gold Pencil Hands, Luminous Coating Luminous: Retro Luminous Effect SLN C3 Green Light, Hands and Markers Crown: Screw-down Crown, With 3D “S” Logo Case Back: Screw-down Case Back, Brushed Process Strap: 316L Solid Stainless Steel Bracelet Clasp: Folding Clasp With Safety,With San Martin Hexagon Logo Water Resistant: 20Bar=200 meters Weight: about 140g