The Reign Bauer includes the following features - 316l surgical-quality stainless steel case, jeweled seiko nh38 automatic movement, jewel bearings - 24 jewels, 36-hour power reserve, beats per hour (bph) - 21600/hour, sapphire-coated mineral crystal, semi-skeleton dial, observation caseback to view movement, logo-engraved crown, crown protector case design, genuine leather crocodile embossed strap, luminous hands, luminous markers, 44mm case diameter, 5ATM water resistance.