- 316L Surgical-Quality Stainless Steel Case - Jeweled Automatic Movement - Jewel Bearings: 22 Jewels - 42-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 - 24-Hour Sub-Dial - 45mm Diameter - 5 ATM Water Resistance