The Empress Adelaide includes the following features - 316l surgical-quality stainless steel case, jeweled automatic movement, jewel bearings - 17 jewels, 36-hour power reserve, beats per hour (bph) - 21600/hour, sapphire-coated mineral crystal, mother-of-pearl dial, skeleton dial, multiple crystals on dial, observation caseback to view movement, jewel-tipped crown, genuine leather strap, logo-engraved stainless steel clasp, luminova hands, 38mm case diameter, 5 ATM water resistance.