Features:Stainless Steel CaseLeather StrapAutomatic MovementCaliber: F6B2422 JewelsSun & Moon PhaseSapphire CrystalWhite DialAnalog DisplayPower ReserveDay And Date DisplayPull/Push CrownSee Through Case BackBuckle Clasp50m Water ResistanceApproximate Case Diameter: 42mmApproximate Case Thickness: 14mmApproximate Lug Width: 22mmAlternate Model Numbers: RA-AK0008S, RA-AK0008S10B, RA-AK0008S30B