Features: Stainless Steel Case Stainless Steel Bracelet Quartz Movement Caliber: 5345 Mineral Crystal Blue Dial Analog Display 1/10 Second Stopwatch Regular Timekeeping Chronograph Function Luminous Hands Date Display Solid Case Back Deployment Clasp 100M Water Resistance Approximate Case size (L x W x H): 47 x 44.3 x 10.8 mm Approximate Case Diameter: 44.30 mm Approximate Case Thickness: 10.80 mm