Casio General Men's Watches Edifice Chronograph EF-521SP-1AVDF - WW Imported Precise Japan Quartz Movement - Accuracy: 20 seconds per month Stainless Steel Case and Band, Push Button Release Clasp Mineral Crystal, Date Display, Luminous Hands and Markers, Chronograph Function, Slide Rule Function Case Size: 43mm Diameter, 11mm Thickness, Water Resistant - 100M, Screw Down Caseback