Brand: San Martin Model: SN051-G Is Support Custom Logo: Yes Movement: NH35 [automatic mechanical movement] Case: Material - 316L Stainless Steel 39.5 mm in diameter Bezel 41mm Lug to Lug 48 mm Thickness 13.5mm Band width 21 mm Glass: Bubble Convex Sapphire Crystal Glass,AR Coating Bezel: 120 Clicks Unidirectional Chronograph Bezel,Ceramic Top Ring, 12 O''clock Luminous Markers Dial Color: Sandwich Dial, Matte Black, Matte Blue + Printed 3D Time Scale Hands: Hour & Minute Hands, Curved Cutting Process Hands, Second Hand 3D Hands Shaft, 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, Deep Press Pattern 3D Shark Logo Strap: 3 Links 316L Solid Stainless Steel Bracelet Clasp: Folding Clasp With Safety,With San Martin Hexagon Logo Water Resistant: 20Bar=200 meters Weight: about 177g Warranty: 2 Year