Features: Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: F6922 22 Jewels Sapphire Crystal Red Dial Analog Display Power Reserve Upto 40 Hours Hacking (Seconds-Hand Halt) Luminous Hands And Markers Day And Date Display Unidirectional Rotating Bezel Screw Down Crown Screwed Case Back Deployment Clasp 200m Water Resistance Approximate Case Diameter: 42mm Approximate Case Thickness: 13mm Alternate Model Numbers: RA-AA0820R, RA-AA0820R19B, RA-AA0820R39B nbsp;