Guaranteed For Valentine's Day Swiss Quartz Movement Blue Calfskin Leather Strap Tang Buckle Clasp 316L Stainless Steel Bezel Encrusted With Diamonds 316L Stainless Steel Case Antireflective Sapphire Crystal Push-Pull Crown Blue Dial Case: 40Mm In Diameter X 9.5Mm Thick Bracelet/Strap: 18Mm Wide X 7.5In 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.