The watch comes with 316L Surgical-Quality Stainless Steel Case, Jeweled Seiko NH35 Automatic Movement, Jewel Bearings - 24 Jewels, 28-Hour Power Reserve, Beats per Hour (BPH) - 21600/Hour, Sapphire-Coated Mineral Crystal, Skeleton Dial, Observation Caseback to View Movement, Genuine Leather Strap, Logo-Engraved Stainless Steel Clasp, Luminous Hands, Luminous Markers, Date Display, 44mm Case Diameter, 195-245mm Wrist Size, 5 ATM Water Resistance.