Features: Stainless Steel Case PU Strap Quartz Movement Caliber: Seiko VX42E Sapphire Crystal White Dial With Logo 'RATIO' Analog Display Bezel With Ceramic Inlay Helium Valve Luminous Hands And Markers Date Display Screw Down Crown Engraved Caseback (With Image Of A Free Diver) Buckle Clasp 1000M Water Resistance Approximate Case Diameter: 45mm Approximate Case Thickness: 12mm