316L Surgical-Quality Stainless Steel Case Jeweled Automatic Movement Jewel Bearings: 35 Jewels 36-Hour Power Reserve Beats per Hour (BPH): 21600/Hour Sapphire-Coated Mineral Crystal Engraved Pattern Dial Semi-Skeleton Dial Observation Caseback to view Movement Enamel Color-Tipped Crown Unique Band Lug Design Genuine Leather Crocodile-Embossed Strap Logo-Engraved Stainless Steel Clasp Day Sub-Dial Dual Window Date Display Month Sub-Dial 44mm Diameter 5 ATM Water Resistance