Features: Stainless Steel Case Resin Strap Mineral Crystal Solar Movement Analog Digital Display Luminous Hands And Markers Day And Date Display Double LED Light Shock Resistant Solar Powered 1/100-Second Stopwatch Countdown Timer 5 Daily Alarms Hourly Time Signal Hand Shift Feature Power Saving Full Auto-Calendar 12/24-Hour Format Screwed Case Back Buckle Strap 200M Water Resistance Approximate Case Diameter: 52mm Approximate Case Thickness: 16mm