Seiko Prospex Solar Chronograph SSC137 SSC137P1 SSC137P Men's Watch Features: Black Stainless Steel Case Green Nylon Strap Solar Powered Caliber: V172 Curved Hardlex Glass Black Dial Chronograph Function Luminous Hands And Markers Alarm Function Rotating Compass Ring Screw Case Back Date Display Buckle Clasp 100M Water Resistance Approximate Case Diameter: 42mm Approximate Case Thickness: 14mm