Features:Stainless Steel CasePU StrapAutomatic MovementCaliber: MIYOTA 821521 JewelsVibrations Per Hour: 21,600 bphShock System: ParashockWinding Direction: Uni-directional (left)Sapphire CrystalBlue Dial With Logo "RATIO"Analog Display40 Hours Power ReserveLuminous Hands And MarkersDate DisplayScrew Down CrownEngraved Caseback (With Image Of A Free Diver)Buckle Clasp500M Water ResistanceApproximate Case Diameter: 42mmApproximate Case Thickness: 13mm
