Features:Stainless Steel CaseBlack Rubber StrapBlack DialEco-Drive MovementCaliber B873Date Calendar Display At 3 O'clock PositionUnidirectional Rotating Stainless Steel BezelLarge Luminous Hands And Hour MarkersScrewed Case BackScrew Down CrownAnti-Reflective Mineral Crystal300M Water ResistanceAlternate Model Numbers: BJ8051-05EApproximate Case Diameter: 48.00 mmApproximate Case Thickness: 18.60 mm