Stainless Steel Case. Stainless Steel Strap. Blue Dial. Fixed Bezel. Mineral Crystal. Deployment Clasp. 41 mm Case Diameter. Quartz/Atomic Movement. Powered With Solar Energy. Atomic Timekeeping - Receives Time Calibration Radio Signals To Keep Time Accurate. Water Resistant At 100 Meters (330 Feet). Casio Executive Waveceptor Blue Stainless Steel Mens Watch WVQ120DA-2AV 