Silver-tone stainless steel case, blue dial with luminous hands and index markers, silver-tone stainless steel Oyster bracelet with fixed bezel. Automatic Caliber 3130 movement with 31 jewels, 28800 vph, 48-hour power reserve. Sapphire crystal, screw-down crown, solid case back, 36mm round case, fold-over clasp, water resistant to 100m (330ft). Functions: Hours, Minutes, Seconds, Chronometer. Oyster Perpetual 36 Series, Swiss Made.