Casio Edifice Two-tone Chronograph Men's watch #EF521SG-1AV Precise Japan Quartz Movement Two Tone Stainless Steel Case and Band, Push Button Release Clasp Mineral Crystal, Day/Date Display, Luminous Hands and Markers, Chronograph Function Case Size: 44.5mm Diameter (including crown), 12mm Thcikness Water Resistant - 100M, Screw Down Caseback