Features:Stainless Steel CaseStainless Steel BraceletSolar MovementCaliber: V192Curved Sapphire CrystalDeep Green DialAnalog DisplayTachymeter ScaleChronograph FunctionPower Reserve Up to 6 Months12/24 Hours DisplayLuminous Hands And MarkersDate DisplayScrewed Case BackDeployment Clasp100M Water ResistanceApproximate Case Diameter: 39.00 mmApproximate Case Thickness: 13.30 mmApproximate Lug Width: 20.00 mm