Circa 1980 This Is An Authentic, Pre-Owned Concord Piece. It's Possible That There May Be Some Gentle Wear. Quartz Movement Steel & Yellow Gold Steel & Yellow Gold Bracelet Double-Fold Clasp Yellow Gold Bezel Encrusted With Diamond Steel & 18K Yellow Gold Case Sapphire Crystal Push Pull Crown Mother Of Pearl Dial With Black Hands Diamond Hour Markers Date Display Case: 24Mm X 7Mm Bracelet/Strap: 13Mm Wide X 6In Long Water-Resistant Up To 30 Meters Manufacturer's Limited Warranty It Is Customary To Treat Most Gemstones To Achieve Enhanced Color And Durability. Some Of These Treatments May Not Be Permanent, And May Require Special Care.