Features:Stainless Steel CaseLeather StrapAutomatic MovementCaliber: F672422 JewelsMineral CrystalChampagne DialAnalog Display21,600 Vibrations/HourPower Reserve Upto 40 HoursDate DisplaySee Through Case BackBuckle Clasp30m Water ResistanceApproximate Case Diameter: 38.4mmApproximate Case Thickness: 12.5mmApproximate Lug Width: 20mmAlternate Model Numbers: RA-AC0M04Y, RA-AC0M04Y10B, RA-AC0M04Y30B