Features: Stainless Steel Case Two Tone Stainless Steel Bracelet Automatic Movement 22 Jewels Sun Moon Phase Caliber: F6B24 Sapphire Crystal Champagne Dial Analog Display See Through Case Back Deployment Clasp 50m Water Resistance Approximate Case Diameter: 42mm Approximate Case Thickness: 12mm Approximate Lug Width: 21mm Alternate Model Numbers: RA-AS0007S,RA-AS0007S10B,RA-AS0007S30B