Seiko Military Mens Chronograph Watch SNDA21P1 Precise Japan Quartz Movement (Caliber 7T92) Stainless Steel Case with Black Leather Strap Hardlex Mineral Crystal, Date Display, Luminous Hands and Markers, Chronograph Functions Case Size: 43.5mm Diameter, 11mm Thickness Water Resistant - 100M, Screwed Down Caseback