316L Surgical-Quality Stainless Steel Case Jeweled Automatic Movement Jewel Bearings: 20 Jewels 36-Hour Power Reserve Beats per Hour (BPH): 21600/Hour Sapphire-Coated Mineral Crystal Custom Vitreous Enamel Dial Cloisonné is an ancient technique for decorating metalwork objects in recent centuries using vitreous enamel Semi-Skeleton Dial Observation Caseback to view Movement Hinged Caseback Cover of Vitreous Enamel Genuine Leather Crocodile-Embossed Strap Logo-Engraved Stainless Steel Clasp Luminous Hands Day Sub-Dial Date Sub-Dial 44mm Diameter 5 ATM Water Resistance