San Martin Model: SN0129-G GMT Movement: NH34 [Automatic Mechanical Movement] Case: Material - 316L Stainless Steel Case Diameter: 39mm, With Crown Guard: 41mm Lug to Lug: 46.5mm Thickness: 13mm Band width: 20mm Glass: Sapphire Glass, AR Coating Bezel: 24-hour GMT Scale Stainless Steel Bezel Dial Color: Brown Desert Texture Dial/Ice Blue Desert Texture Dial, 3D Hexagon Logo, Applied indices, Date Window at 3 O'clock Hands: GS Crafts GMT 4 Hands, Luminous Luminous: BGW-9 Blue Light, Hands and Markers Crown: Screw-down Crown, With Crown Guard & 3D Hexagon Logo Case Back: Screw-down Case Back, Sunray Brushed Strap: 316L Solid Stainless Steel Bracelet,Polished Middle Links, Brushed On Both Sides, Width 20mm * 16mm Clasp: New Fly Adjustable Clasp,With San Martin Hexagon Logo Water Resistant: 10Bar=100 meters Weight: about 145g