Casio General Men's Watches Edifice EF-550PB-1AVDF - WW Imported Precise Japan Quartz Movement Stainless Steel Case with Black Resin Strap Mineral Crystal, Date Display, Luminous Hands and Markers, Chronograph Function Case Size: 47mm Diameter, 12mm Thcikness Water Resistant - 100M, Screw Down Caseback