This timepiece comes with 316L Surgical-Quality Stainless Steel Case, Jeweled Automatic Movement, Jewel Bearings - 22 Jewels, 41 Hour Power Reserve, Beats per Hour (BPH) - 21600/Hour, Sapphire-Coated Mineral Crystal, Semi-Skeleton Dial, Observation Caseback to view Movement, Genuine Leather Crocodile-Embossed Strap, Logo-Engraved Stainless Steel Clasp, Luminous Hands, Luminous Markers, Day Sub-Dial, Date Sub-Dial, Month Display, Year Display, 42mm Diameter, 10 ATM Water Resistance.