Features: Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: F6922 22 Jewels Scratch Resistant Sapphire Crystal Silver Dial Analog Display Power Reserve Upto 40 Hours 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: 42.00 mm Approximate Case Thickness: 13.00 mm Alternate Model Numbers: RA-AA0821S, RA-AA0821S19B, RA-AA0821S39B