316L Surgical-Quality Stainless Steel Case Jeweled Automatic Movement Jewel Bearings: 22 Jewels 36-Hour Power Reserve Beats per Hour (BPH): 21600/Hour Sapphire-Coated Mineral Crystal Engraved Pattern Dial Observation Caseback to view Movement Logo-Engraved Crown Genuine Leather Pattern-Embossed Strap Logo-Engraved Stainless Steel Clasp Luminous Hands Luminous Markers Second Hand Sub-Dial 45mm Case Diameter 195-245mm Wrist Size 10 ATM Water Resistance