Features: Stainless Steel Case Stainless Steel Mesh Bracelet Automatic Movement Caliber: F6724 22 Jewels Mineral Crystal Green Dial Analog Display Power Reserve Date Display Screw Down Crown See Through Case Back Deployment Clasp 30m Water Resistance Approximate Case Diameter: 40mm Approximate Case Thickness: 12mm Approximate Lug Width: 21mm Alternate Model Numbers: RA-AC0018E, RA-AC0018E10B, RA-AC0018E30B