Features: Gold Tone Stainless Steel Case Nylon Strap Automatic Movement Caliber: 4R35 23 Jewels Hardlex Crystal Black Dial Analog Display Countdown Function Luminous Hands And Markers Date Display Uni-Directional Rotating Bezel Pull/Push Crown See Through Case Back Buckle Clasp 100M Water Resistance Approximate Case Diameter: 44mm Approximate Case Thickness: 13mm