Quality is the key to a long lasting timepiece. Every Heritor watch has an automatic or hand wound mechanical movement. HERITOR watches are built for generations. A HERITOR watch can be worn by father; son; grandson and great grandson. Pass it on to the next generation. 316L Surgical-Quality Stainless Steel Case Jeweled Japanese Automatic Movement Jewel Bearings: 21 Jewels 42 Hour Power Reserve Beats per Hour (BPH): 21600/Hour Sapphire-Coated Mineral Crystal Brushed Finish Skeleton Dial Observation Caseback to view Movement Logo-Engraved Crown Genuine Leather Crocodile-Embossed Strap Logo-Engraved Stainless Steel Clasp 40mm Diameter 5 ATM Water Resistance