Features: Stainless Steel Case Stainless Steel Bracelet Mineral Crystal Black Dial Analog Digital Display Dual Time 1/100 Second Stopwatch Alarms Hourly Time Signal Full Auto Calendar 12/24 Hours Display Day And Date Display Screwed Case Back Deployment Clasp Water Resistance Approximate Case Diameter: 41mm Approximate Case Thickness: 9mm Approximate Lug Width: 20mm