Features:Stainless Steel CasePU StrapQuartz MovementCaliber: Seiko VX42ESapphire CrystalWhite Dial With Logo "RATIO"Analog DisplayBezel With Ceramic InlayHelium ValveLuminous Hands And MarkersDate DisplayScrew Down CrownEngraved Caseback (With Image Of A Free Diver)Buckle Clasp1000M Water ResistanceApproximate Case Diameter: 45mmApproximate Case Thickness: 12mm