Casio G Shock Analog Digital Black Dial Quartz GM 2100CH 1A GM2100CH 1 200M Men's Watch Watches D Sapphire Crystal Grey Dial Hemel Mens D Sapphire Crystal Grey Dial Analog Display Chronograph Function Tachymeter Scale Luminous Hands And Markers Date Display Screw Down Crown Solid Case Back Buckle Clasp 100M Water Resistance Approximate Case Diameter: 44mm Approximate Case Thickness: 11mm Shipping Weight: 500 g Color: Blue Return Policy: If not 100% satisfied return watch in 30 days for a full refund or exchange Features: Stainless Steel Case Stainless Steel Bracelet Eco Drive Movement Caliber: B620 Sapphire Crystal Black Dial Analog Display Chronograph Function Luminous Hands And Markers Date Display 12 24 Hours Display Tachymeter Pull Push Crown Solid Case Back Deployment Clasp 100M Water Resistance Approximate Case Diameter: 43mm Approximate Case Thickness: 11mm Features: Resin Case Resin Strap Quartz Movement Mineral Crystal Black Dial Analog Digital Display World Time Shock Resistant Double LED Light 1 100 Second Stopwatch 5 Daily Alarms Hourly Time Signal Countdown Timer Full Auto Calendar 12 24 Hours Display Luminous Hands Day And Date Display Screwed Case Back Buckle Clasp 200m Water Resistance Approximate Case Diameter: 44mm Approximate Case Thickness: 12mm Approximate Lug Width: 16mm