Features: Stainless Steel Case Stainless Steel Mesh Bracelet Automatic Movement Caliber: F6724 22 Jewels Sapphire Crystal Blue Dial Analog Display Date Display Screw Down Crown See Through Case Back Deployment Clasp 30m Water Resistance Approximate Case Diameter: 42mm Approximate Case Thickness: 12mm Approximate Lug Width: 21mm Alternate Model Numbers: RA-AC0019L, RA-AC0019L10B, RA-AC0019L30B