The Heritor Automatic Sanford includes the following features - 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, semi-skeleton dial, observation caseback to view movement, genuine leather strap, logo-engraved stainless steel clasp, luminous hands, 45mm diameter, 5 ATM water resistance.