38 hrsJewel 25 jewelsCalendarDial apertureCASECase materialStainless steelCaseback Screwed inWater resistance 3 bars iBezel Bidirectional, slide ruleCrown Non screw-locked, two gasketsCrystal Cambered sapphire, glare proofed both sidesDIMENSIONSDiameterSTRAP Strap material Alligator leatherStrap color BlackStrap typeBuckle Material Stainless steelBuckle type Tang type.