The Heritor Automatic Luciano includes the following features - 316l surgical-quality stainless steel case, jeweled 2560 automatic movement, jewel bearings - 22 jewels, 41 hour power reserve, beats per hour (bph) - 21600/hour, sapphire-coated mineral crystal, observation case back to view movement, uni-directional bezel, screw-down crown, logo-engraved stainless steel clasp, luminous hands, luminous markers, date display, 41mm case diameter, 20 ATM (professional diver water resistance).